20753616

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:524

約数の個数: 80

約数和(自身を含む): 58607360

約数和(自身を除く): 37853744

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 79, 104, 156, 158, 208, 237, 312, 316, 421, 474, 624, 632, 842, 948, 1027, 1263, 1264, 1684, 1896, 2054, 2526, 3081, 3368, 3792, 4108, 5052, 5473, 6162, 6736, 8216, 10104, 10946, 12324, 16419, 16432, 20208, 21892, 24648, 32838, 33259, 43784, 49296, 65676, 66518, 87568, 99777, 131352, 133036, 199554, 262704, 266072, 399108, 432367, 532144, 798216, 864734, 1297101, 1596432, 1729468, 2594202, 3458936, 5188404, 6917872, 10376808, 20753616]

約数ペア:

[(1, 20753616), (2, 10376808), (3, 6917872), (4, 5188404), (6, 3458936), (8, 2594202), (12, 1729468), (13, 1596432), (16, 1297101), (24, 864734), (26, 798216), (39, 532144), (48, 432367), (52, 399108), (78, 266072), (79, 262704), (104, 199554), (156, 133036), (158, 131352), (208, 99777), (237, 87568), (312, 66518), (316, 65676), (421, 49296), (474, 43784), (624, 33259), (632, 32838), (842, 24648), (948, 21892), (1027, 20208), (1263, 16432), (1264, 16419), (1684, 12324), (1896, 10946), (2054, 10104), (2526, 8216), (3081, 6736), (3368, 6162), (3792, 5473), (4108, 5052)]