20527992

素因数分解:

$2^3\times 3^4\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:498

約数の個数: 80

約数和(自身を含む): 58370400

約数和(自身を除く): 37842408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 79, 81, 108, 158, 162, 216, 237, 316, 324, 401, 474, 632, 648, 711, 802, 948, 1203, 1422, 1604, 1896, 2133, 2406, 2844, 3208, 3609, 4266, 4812, 5688, 6399, 7218, 8532, 9624, 10827, 12798, 14436, 17064, 21654, 25596, 28872, 31679, 32481, 43308, 51192, 63358, 64962, 86616, 95037, 126716, 129924, 190074, 253432, 259848, 285111, 380148, 570222, 760296, 855333, 1140444, 1710666, 2280888, 2565999, 3421332, 5131998, 6842664, 10263996, 20527992]

約数ペア:

[(1, 20527992), (2, 10263996), (3, 6842664), (4, 5131998), (6, 3421332), (8, 2565999), (9, 2280888), (12, 1710666), (18, 1140444), (24, 855333), (27, 760296), (36, 570222), (54, 380148), (72, 285111), (79, 259848), (81, 253432), (108, 190074), (158, 129924), (162, 126716), (216, 95037), (237, 86616), (316, 64962), (324, 63358), (401, 51192), (474, 43308), (632, 32481), (648, 31679), (711, 28872), (802, 25596), (948, 21654), (1203, 17064), (1422, 14436), (1604, 12798), (1896, 10827), (2133, 9624), (2406, 8532), (2844, 7218), (3208, 6399), (3609, 5688), (4266, 4812)]