20630792

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1667}}^1$

素因数の和:1710

約数の個数: 64

約数和(自身を含む): 50440320

約数和(自身を除く): 29809528

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 104, 119, 136, 182, 221, 238, 364, 442, 476, 728, 884, 952, 1547, 1667, 1768, 3094, 3334, 6188, 6668, 11669, 12376, 13336, 21671, 23338, 28339, 43342, 46676, 56678, 86684, 93352, 113356, 151697, 173368, 198373, 226712, 303394, 368407, 396746, 606788, 736814, 793492, 1213576, 1473628, 1586984, 2578849, 2947256, 5157698, 10315396, 20630792]

約数ペア:

[(1, 20630792), (2, 10315396), (4, 5157698), (7, 2947256), (8, 2578849), (13, 1586984), (14, 1473628), (17, 1213576), (26, 793492), (28, 736814), (34, 606788), (52, 396746), (56, 368407), (68, 303394), (91, 226712), (104, 198373), (119, 173368), (136, 151697), (182, 113356), (221, 93352), (238, 86684), (364, 56678), (442, 46676), (476, 43342), (728, 28339), (884, 23338), (952, 21671), (1547, 13336), (1667, 12376), (1768, 11669), (3094, 6668), (3334, 6188)]