20631996

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{827}}^1$

素因数の和:861

約数の個数: 120

約数和(自身を含む): 67326336

約数和(自身を除く): 46694340

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 54, 63, 66, 77, 81, 84, 99, 108, 126, 132, 154, 162, 189, 198, 231, 252, 297, 308, 324, 378, 396, 462, 567, 594, 693, 756, 827, 891, 924, 1134, 1188, 1386, 1654, 1782, 2079, 2268, 2481, 2772, 3308, 3564, 4158, 4962, 5789, 6237, 7443, 8316, 9097, 9924, 11578, 12474, 14886, 17367, 18194, 22329, 23156, 24948, 27291, 29772, 34734, 36388, 44658, 52101, 54582, 63679, 66987, 69468, 81873, 89316, 104202, 109164, 127358, 133974, 156303, 163746, 191037, 208404, 245619, 254716, 267948, 312606, 327492, 382074, 468909, 491238, 573111, 625212, 736857, 764148, 937818, 982476, 1146222, 1473714, 1719333, 1875636, 2292444, 2947428, 3438666, 5157999, 6877332, 10315998, 20631996]

約数ペア:

[(1, 20631996), (2, 10315998), (3, 6877332), (4, 5157999), (6, 3438666), (7, 2947428), (9, 2292444), (11, 1875636), (12, 1719333), (14, 1473714), (18, 1146222), (21, 982476), (22, 937818), (27, 764148), (28, 736857), (33, 625212), (36, 573111), (42, 491238), (44, 468909), (54, 382074), (63, 327492), (66, 312606), (77, 267948), (81, 254716), (84, 245619), (99, 208404), (108, 191037), (126, 163746), (132, 156303), (154, 133974), (162, 127358), (189, 109164), (198, 104202), (231, 89316), (252, 81873), (297, 69468), (308, 66987), (324, 63679), (378, 54582), (396, 52101), (462, 44658), (567, 36388), (594, 34734), (693, 29772), (756, 27291), (827, 24948), (891, 23156), (924, 22329), (1134, 18194), (1188, 17367), (1386, 14886), (1654, 12474), (1782, 11578), (2079, 9924), (2268, 9097), (2481, 8316), (2772, 7443), (3308, 6237), (3564, 5789), (4158, 4962)]