20157410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1303}}^1$

素因数の和:1347

約数の個数: 64

約数和(自身を含む): 47319552

約数和(自身を除く): 27162142

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 65, 70, 85, 91, 119, 130, 170, 182, 221, 238, 442, 455, 595, 910, 1105, 1190, 1303, 1547, 2210, 2606, 3094, 6515, 7735, 9121, 13030, 15470, 16939, 18242, 22151, 33878, 44302, 45605, 84695, 91210, 110755, 118573, 155057, 169390, 221510, 237146, 287963, 310114, 575926, 592865, 775285, 1185730, 1439815, 1550570, 2015741, 2879630, 4031482, 10078705, 20157410]

約数ペア:

[(1, 20157410), (2, 10078705), (5, 4031482), (7, 2879630), (10, 2015741), (13, 1550570), (14, 1439815), (17, 1185730), (26, 775285), (34, 592865), (35, 575926), (65, 310114), (70, 287963), (85, 237146), (91, 221510), (119, 169390), (130, 155057), (170, 118573), (182, 110755), (221, 91210), (238, 84695), (442, 45605), (455, 44302), (595, 33878), (910, 22151), (1105, 18242), (1190, 16939), (1303, 15470), (1547, 13030), (2210, 9121), (2606, 7735), (3094, 6515)]