20151690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{317}}^1$

素因数の和:503

約数の個数: 64

約数和(自身を含む): 52569216

約数和(自身を除く): 32417526

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 163, 195, 317, 326, 390, 489, 634, 815, 951, 978, 1585, 1630, 1902, 2119, 2445, 3170, 4121, 4238, 4755, 4890, 6357, 8242, 9510, 10595, 12363, 12714, 20605, 21190, 24726, 31785, 41210, 51671, 61815, 63570, 103342, 123630, 155013, 258355, 310026, 516710, 671723, 775065, 1343446, 1550130, 2015169, 3358615, 4030338, 6717230, 10075845, 20151690]

約数ペア:

[(1, 20151690), (2, 10075845), (3, 6717230), (5, 4030338), (6, 3358615), (10, 2015169), (13, 1550130), (15, 1343446), (26, 775065), (30, 671723), (39, 516710), (65, 310026), (78, 258355), (130, 155013), (163, 123630), (195, 103342), (317, 63570), (326, 61815), (390, 51671), (489, 41210), (634, 31785), (815, 24726), (951, 21190), (978, 20605), (1585, 12714), (1630, 12363), (1902, 10595), (2119, 9510), (2445, 8242), (3170, 6357), (4121, 4890), (4238, 4755)]