20645731964

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{941}}^1$

素因数の和:1308

約数の個数: 96

約数和(自身を含む): 42977898432

約数和(自身を除く): 22332166468

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 143, 242, 286, 317, 484, 572, 634, 941, 1268, 1331, 1573, 1882, 2662, 3146, 3487, 3764, 4121, 5324, 6292, 6974, 8242, 10351, 12233, 13948, 16484, 17303, 20702, 24466, 34606, 38357, 41404, 45331, 48932, 69212, 76714, 90662, 113861, 134563, 153428, 181324, 227722, 269126, 298297, 421927, 455444, 498641, 538252, 596594, 843854, 997282, 1193188, 1252471, 1480193, 1687708, 1994564, 2504942, 2960386, 3281267, 3877861, 5009884, 5485051, 5920772, 6562534, 7755722, 10970102, 13125068, 15511444, 16282123, 21940204, 32564246, 36093937, 42656471, 65128492, 72187874, 85312942, 144375748, 170625884, 397033307, 469221181, 794066614, 938442362, 1588133228, 1876884724, 5161432991, 10322865982, 20645731964]

約数ペア:

[(1, 20645731964), (2, 10322865982), (4, 5161432991), (11, 1876884724), (13, 1588133228), (22, 938442362), (26, 794066614), (44, 469221181), (52, 397033307), (121, 170625884), (143, 144375748), (242, 85312942), (286, 72187874), (317, 65128492), (484, 42656471), (572, 36093937), (634, 32564246), (941, 21940204), (1268, 16282123), (1331, 15511444), (1573, 13125068), (1882, 10970102), (2662, 7755722), (3146, 6562534), (3487, 5920772), (3764, 5485051), (4121, 5009884), (5324, 3877861), (6292, 3281267), (6974, 2960386), (8242, 2504942), (10351, 1994564), (12233, 1687708), (13948, 1480193), (16484, 1252471), (17303, 1193188), (20702, 997282), (24466, 843854), (34606, 596594), (38357, 538252), (41404, 498641), (45331, 455444), (48932, 421927), (69212, 298297), (76714, 269126), (90662, 227722), (113861, 181324), (134563, 153428)]