20247863580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{51341}}^1$

素因数の和:51676

約数の個数: 144

約数和(自身を含む): 70418222784

約数和(自身を除く): 50170359204

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 313, 315, 420, 626, 630, 939, 1252, 1260, 1565, 1878, 2191, 2817, 3130, 3756, 4382, 4695, 5634, 6260, 6573, 8764, 9390, 10955, 11268, 13146, 14085, 18780, 19719, 21910, 26292, 28170, 32865, 39438, 43820, 51341, 56340, 65730, 78876, 98595, 102682, 131460, 154023, 197190, 205364, 256705, 308046, 359387, 394380, 462069, 513410, 616092, 718774, 770115, 924138, 1026820, 1078161, 1437548, 1540230, 1796935, 1848276, 2156322, 2310345, 3080460, 3234483, 3593870, 4312644, 4620690, 5390805, 6468966, 7187740, 9241380, 10781610, 12937932, 16069733, 16172415, 21563220, 32139466, 32344830, 48209199, 64278932, 64689660, 80348665, 96418398, 112488131, 144627597, 160697330, 192836796, 224976262, 241045995, 289255194, 321394660, 337464393, 449952524, 482091990, 562440655, 578510388, 674928786, 723137985, 964183980, 1012393179, 1124881310, 1349857572, 1446275970, 1687321965, 2024786358, 2249762620, 2892551940, 3374643930, 4049572716, 5061965895, 6749287860, 10123931790, 20247863580]

約数ペア:

[(1, 20247863580), (2, 10123931790), (3, 6749287860), (4, 5061965895), (5, 4049572716), (6, 3374643930), (7, 2892551940), (9, 2249762620), (10, 2024786358), (12, 1687321965), (14, 1446275970), (15, 1349857572), (18, 1124881310), (20, 1012393179), (21, 964183980), (28, 723137985), (30, 674928786), (35, 578510388), (36, 562440655), (42, 482091990), (45, 449952524), (60, 337464393), (63, 321394660), (70, 289255194), (84, 241045995), (90, 224976262), (105, 192836796), (126, 160697330), (140, 144627597), (180, 112488131), (210, 96418398), (252, 80348665), (313, 64689660), (315, 64278932), (420, 48209199), (626, 32344830), (630, 32139466), (939, 21563220), (1252, 16172415), (1260, 16069733), (1565, 12937932), (1878, 10781610), (2191, 9241380), (2817, 7187740), (3130, 6468966), (3756, 5390805), (4382, 4620690), (4695, 4312644), (5634, 3593870), (6260, 3234483), (6573, 3080460), (8764, 2310345), (9390, 2156322), (10955, 1848276), (11268, 1796935), (13146, 1540230), (14085, 1437548), (18780, 1078161), (19719, 1026820), (21910, 924138), (26292, 770115), (28170, 718774), (32865, 616092), (39438, 513410), (43820, 462069), (51341, 394380), (56340, 359387), (65730, 308046), (78876, 256705), (98595, 205364), (102682, 197190), (131460, 154023)]