20123286260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{3581}}^1$

素因数の和:3738

約数の個数: 192

約数和(自身を含む): 54593118720

約数和(自身を除く): 34469832460

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 41, 44, 55, 70, 77, 82, 89, 110, 140, 154, 164, 178, 205, 220, 287, 308, 356, 385, 410, 445, 451, 574, 623, 770, 820, 890, 902, 979, 1148, 1246, 1435, 1540, 1780, 1804, 1958, 2255, 2492, 2870, 3115, 3157, 3581, 3649, 3916, 4510, 4895, 5740, 6230, 6314, 6853, 7162, 7298, 9020, 9790, 12460, 12628, 13706, 14324, 14596, 15785, 17905, 18245, 19580, 25067, 25543, 27412, 31570, 34265, 35810, 36490, 39391, 40139, 50134, 51086, 63140, 68530, 71620, 72980, 78782, 80278, 100268, 102172, 125335, 127715, 137060, 146821, 157564, 160556, 196955, 200695, 250670, 255430, 275737, 280973, 293642, 318709, 393910, 401390, 501340, 510860, 551474, 561946, 587284, 637418, 734105, 787820, 802780, 1027747, 1102948, 1123892, 1274836, 1378685, 1404865, 1468210, 1593545, 1615031, 2055494, 2230963, 2757370, 2809730, 2936420, 3187090, 3230062, 3505799, 4110988, 4461926, 5138735, 5514740, 5619460, 6374180, 6460124, 7011598, 8075155, 8923852, 10277470, 11154815, 11305217, 13067069, 14023196, 16150310, 17528995, 20554940, 22309630, 22610434, 24540593, 26134138, 32300620, 35057990, 44619260, 45220868, 49081186, 52268276, 56526085, 65335345, 70115980, 91469483, 98162372, 113052170, 122702965, 130670690, 143737759, 182938966, 226104340, 245405930, 261341380, 287475518, 365877932, 457347415, 490811860, 574951036, 718688795, 914694830, 1006164313, 1437377590, 1829389660, 2012328626, 2874755180, 4024657252, 5030821565, 10061643130, 20123286260]

約数ペア:

[(1, 20123286260), (2, 10061643130), (4, 5030821565), (5, 4024657252), (7, 2874755180), (10, 2012328626), (11, 1829389660), (14, 1437377590), (20, 1006164313), (22, 914694830), (28, 718688795), (35, 574951036), (41, 490811860), (44, 457347415), (55, 365877932), (70, 287475518), (77, 261341380), (82, 245405930), (89, 226104340), (110, 182938966), (140, 143737759), (154, 130670690), (164, 122702965), (178, 113052170), (205, 98162372), (220, 91469483), (287, 70115980), (308, 65335345), (356, 56526085), (385, 52268276), (410, 49081186), (445, 45220868), (451, 44619260), (574, 35057990), (623, 32300620), (770, 26134138), (820, 24540593), (890, 22610434), (902, 22309630), (979, 20554940), (1148, 17528995), (1246, 16150310), (1435, 14023196), (1540, 13067069), (1780, 11305217), (1804, 11154815), (1958, 10277470), (2255, 8923852), (2492, 8075155), (2870, 7011598), (3115, 6460124), (3157, 6374180), (3581, 5619460), (3649, 5514740), (3916, 5138735), (4510, 4461926), (4895, 4110988), (5740, 3505799), (6230, 3230062), (6314, 3187090), (6853, 2936420), (7162, 2809730), (7298, 2757370), (9020, 2230963), (9790, 2055494), (12460, 1615031), (12628, 1593545), (13706, 1468210), (14324, 1404865), (14596, 1378685), (15785, 1274836), (17905, 1123892), (18245, 1102948), (19580, 1027747), (25067, 802780), (25543, 787820), (27412, 734105), (31570, 637418), (34265, 587284), (35810, 561946), (36490, 551474), (39391, 510860), (40139, 501340), (50134, 401390), (51086, 393910), (63140, 318709), (68530, 293642), (71620, 280973), (72980, 275737), (78782, 255430), (80278, 250670), (100268, 200695), (102172, 196955), (125335, 160556), (127715, 157564), (137060, 146821)]