20276750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 43400448

約数和(自身を除く): 23123698

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 125, 130, 170, 221, 250, 325, 367, 425, 442, 650, 734, 850, 1105, 1625, 1835, 2125, 2210, 3250, 3670, 4250, 4771, 5525, 6239, 9175, 9542, 11050, 12478, 18350, 23855, 27625, 31195, 45875, 47710, 55250, 62390, 81107, 91750, 119275, 155975, 162214, 238550, 311950, 405535, 596375, 779875, 811070, 1192750, 1559750, 2027675, 4055350, 10138375, 20276750]

約数ペア:

[(1, 20276750), (2, 10138375), (5, 4055350), (10, 2027675), (13, 1559750), (17, 1192750), (25, 811070), (26, 779875), (34, 596375), (50, 405535), (65, 311950), (85, 238550), (125, 162214), (130, 155975), (170, 119275), (221, 91750), (250, 81107), (325, 62390), (367, 55250), (425, 47710), (442, 45875), (650, 31195), (734, 27625), (850, 23855), (1105, 18350), (1625, 12478), (1835, 11050), (2125, 9542), (2210, 9175), (3250, 6239), (3670, 5525), (4250, 4771)]