20924730

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:210

約数の個数: 96

約数和(自身を含む): 57657600

約数和(自身を除く): 36732870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 79, 81, 90, 109, 135, 158, 162, 218, 237, 243, 270, 327, 395, 405, 474, 486, 545, 654, 711, 790, 810, 981, 1090, 1185, 1215, 1422, 1635, 1962, 2133, 2370, 2430, 2943, 3270, 3555, 4266, 4905, 5886, 6399, 7110, 8611, 8829, 9810, 10665, 12798, 14715, 17222, 17658, 19197, 21330, 25833, 26487, 29430, 31995, 38394, 43055, 44145, 51666, 52974, 63990, 77499, 86110, 88290, 95985, 129165, 132435, 154998, 191970, 232497, 258330, 264870, 387495, 464994, 697491, 774990, 1162485, 1394982, 2092473, 2324970, 3487455, 4184946, 6974910, 10462365, 20924730]

約数ペア:

[(1, 20924730), (2, 10462365), (3, 6974910), (5, 4184946), (6, 3487455), (9, 2324970), (10, 2092473), (15, 1394982), (18, 1162485), (27, 774990), (30, 697491), (45, 464994), (54, 387495), (79, 264870), (81, 258330), (90, 232497), (109, 191970), (135, 154998), (158, 132435), (162, 129165), (218, 95985), (237, 88290), (243, 86110), (270, 77499), (327, 63990), (395, 52974), (405, 51666), (474, 44145), (486, 43055), (545, 38394), (654, 31995), (711, 29430), (790, 26487), (810, 25833), (981, 21330), (1090, 19197), (1185, 17658), (1215, 17222), (1422, 14715), (1635, 12798), (1962, 10665), (2133, 9810), (2370, 8829), (2430, 8611), (2943, 7110), (3270, 6399), (3555, 5886), (4266, 4905)]