20169183020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1861}}^1\times {\mathrm{11059}}^1$

素因数の和:12943

約数の個数: 72

約数和(自身を含む): 49301365680

約数和(自身を除く): 29132182660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1861, 3722, 7444, 9305, 11059, 13027, 18610, 22118, 26054, 37220, 44236, 52108, 55295, 65135, 77413, 91189, 110590, 130270, 154826, 182378, 221180, 260540, 309652, 364756, 387065, 455945, 541891, 774130, 911890, 1083782, 1548260, 1823780, 2167564, 2709455, 5418910, 10837820, 20580799, 41161598, 82323196, 102903995, 144065593, 205807990, 288131186, 411615980, 576262372, 720327965, 1008459151, 1440655930, 2016918302, 2881311860, 4033836604, 5042295755, 10084591510, 20169183020]

約数ペア:

[(1, 20169183020), (2, 10084591510), (4, 5042295755), (5, 4033836604), (7, 2881311860), (10, 2016918302), (14, 1440655930), (20, 1008459151), (28, 720327965), (35, 576262372), (49, 411615980), (70, 288131186), (98, 205807990), (140, 144065593), (196, 102903995), (245, 82323196), (490, 41161598), (980, 20580799), (1861, 10837820), (3722, 5418910), (7444, 2709455), (9305, 2167564), (11059, 1823780), (13027, 1548260), (18610, 1083782), (22118, 911890), (26054, 774130), (37220, 541891), (44236, 455945), (52108, 387065), (55295, 364756), (65135, 309652), (77413, 260540), (91189, 221180), (110590, 182378), (130270, 154826)]