20500272

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:307

約数の個数: 120

約数和(自身を含む): 63370944

約数和(自身を除く): 42870672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 47, 48, 52, 72, 78, 94, 104, 117, 141, 144, 156, 188, 208, 233, 234, 282, 312, 376, 423, 466, 468, 564, 611, 624, 699, 752, 846, 932, 936, 1128, 1222, 1398, 1692, 1833, 1864, 1872, 2097, 2256, 2444, 2796, 3029, 3384, 3666, 3728, 4194, 4888, 5499, 5592, 6058, 6768, 7332, 8388, 9087, 9776, 10951, 10998, 11184, 12116, 14664, 16776, 18174, 21902, 21996, 24232, 27261, 29328, 32853, 33552, 36348, 43804, 43992, 48464, 54522, 65706, 72696, 87608, 87984, 98559, 109044, 131412, 142363, 145392, 175216, 197118, 218088, 262824, 284726, 394236, 427089, 436176, 525648, 569452, 788472, 854178, 1138904, 1281267, 1576944, 1708356, 2277808, 2562534, 3416712, 5125068, 6833424, 10250136, 20500272]

約数ペア:

[(1, 20500272), (2, 10250136), (3, 6833424), (4, 5125068), (6, 3416712), (8, 2562534), (9, 2277808), (12, 1708356), (13, 1576944), (16, 1281267), (18, 1138904), (24, 854178), (26, 788472), (36, 569452), (39, 525648), (47, 436176), (48, 427089), (52, 394236), (72, 284726), (78, 262824), (94, 218088), (104, 197118), (117, 175216), (141, 145392), (144, 142363), (156, 131412), (188, 109044), (208, 98559), (233, 87984), (234, 87608), (282, 72696), (312, 65706), (376, 54522), (423, 48464), (466, 43992), (468, 43804), (564, 36348), (611, 33552), (624, 32853), (699, 29328), (752, 27261), (846, 24232), (932, 21996), (936, 21902), (1128, 18174), (1222, 16776), (1398, 14664), (1692, 12116), (1833, 11184), (1864, 10998), (1872, 10951), (2097, 9776), (2256, 9087), (2444, 8388), (2796, 7332), (3029, 6768), (3384, 6058), (3666, 5592), (3728, 5499), (4194, 4888)]