20996957580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{326141}}^1$

素因数の和:326219

約数の個数: 96

約数和(自身を含む): 62462715840

約数和(自身を除く): 41465758260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 37, 58, 60, 74, 87, 111, 116, 145, 148, 174, 185, 222, 290, 348, 370, 435, 444, 555, 580, 740, 870, 1073, 1110, 1740, 2146, 2220, 3219, 4292, 5365, 6438, 10730, 12876, 16095, 21460, 32190, 64380, 326141, 652282, 978423, 1304564, 1630705, 1956846, 3261410, 3913692, 4892115, 6522820, 9458089, 9784230, 12067217, 18916178, 19568460, 24134434, 28374267, 36201651, 37832356, 47290445, 48268868, 56748534, 60336085, 72403302, 94580890, 113497068, 120672170, 141871335, 144806604, 181008255, 189161780, 241344340, 283742670, 349949293, 362016510, 567485340, 699898586, 724033020, 1049847879, 1399797172, 1749746465, 2099695758, 3499492930, 4199391516, 5249239395, 6998985860, 10498478790, 20996957580]

約数ペア:

[(1, 20996957580), (2, 10498478790), (3, 6998985860), (4, 5249239395), (5, 4199391516), (6, 3499492930), (10, 2099695758), (12, 1749746465), (15, 1399797172), (20, 1049847879), (29, 724033020), (30, 699898586), (37, 567485340), (58, 362016510), (60, 349949293), (74, 283742670), (87, 241344340), (111, 189161780), (116, 181008255), (145, 144806604), (148, 141871335), (174, 120672170), (185, 113497068), (222, 94580890), (290, 72403302), (348, 60336085), (370, 56748534), (435, 48268868), (444, 47290445), (555, 37832356), (580, 36201651), (740, 28374267), (870, 24134434), (1073, 19568460), (1110, 18916178), (1740, 12067217), (2146, 9784230), (2220, 9458089), (3219, 6522820), (4292, 4892115), (5365, 3913692), (6438, 3261410), (10730, 1956846), (12876, 1630705), (16095, 1304564), (21460, 978423), (32190, 652282), (64380, 326141)]