20856552633

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1\times {\mathrm{383}}^1$

素因数の和:843

約数の個数: 96

約数和(自身を含む): 36022910976

約数和(自身を除く): 15166358343

約数列:

[1, 3, 7, 9, 21, 47, 53, 63, 141, 159, 329, 347, 371, 383, 423, 477, 987, 1041, 1113, 1149, 2429, 2491, 2681, 2961, 3123, 3339, 3447, 7287, 7473, 8043, 16309, 17437, 18001, 18391, 20299, 21861, 22419, 24129, 48927, 52311, 54003, 55173, 60897, 114163, 126007, 128737, 132901, 142093, 146781, 156933, 162009, 165519, 182691, 342489, 378021, 386211, 398703, 426279, 864377, 930307, 954053, 1027467, 1134063, 1158633, 1196109, 1278837, 2593131, 2790921, 2862159, 6050639, 6246347, 6678371, 7043753, 7779393, 8372763, 8586477, 18151917, 18739041, 20035113, 21131259, 43724429, 49306271, 54455751, 56217123, 60105339, 63393777, 131173287, 147918813, 331056391, 393519861, 443756439, 993169173, 2317394737, 2979507519, 6952184211, 20856552633]

約数ペア:

[(1, 20856552633), (3, 6952184211), (7, 2979507519), (9, 2317394737), (21, 993169173), (47, 443756439), (53, 393519861), (63, 331056391), (141, 147918813), (159, 131173287), (329, 63393777), (347, 60105339), (371, 56217123), (383, 54455751), (423, 49306271), (477, 43724429), (987, 21131259), (1041, 20035113), (1113, 18739041), (1149, 18151917), (2429, 8586477), (2491, 8372763), (2681, 7779393), (2961, 7043753), (3123, 6678371), (3339, 6246347), (3447, 6050639), (7287, 2862159), (7473, 2790921), (8043, 2593131), (16309, 1278837), (17437, 1196109), (18001, 1158633), (18391, 1134063), (20299, 1027467), (21861, 954053), (22419, 930307), (24129, 864377), (48927, 426279), (52311, 398703), (54003, 386211), (55173, 378021), (60897, 342489), (114163, 182691), (126007, 165519), (128737, 162009), (132901, 156933), (142093, 146781)]