20147987524

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{714569}}^1$

素因数の和:714652

約数の個数: 48

約数和(自身を含む): 43217193600

約数和(自身を除く): 23069206076

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 53, 76, 106, 133, 212, 266, 371, 532, 742, 1007, 1484, 2014, 4028, 7049, 14098, 28196, 714569, 1429138, 2858276, 5001983, 10003966, 13576811, 20007932, 27153622, 37872157, 54307244, 75744314, 95037677, 151488628, 190075354, 265105099, 380150708, 530210198, 719570983, 1060420396, 1439141966, 2878283932, 5036996881, 10073993762, 20147987524]

約数ペア:

[(1, 20147987524), (2, 10073993762), (4, 5036996881), (7, 2878283932), (14, 1439141966), (19, 1060420396), (28, 719570983), (38, 530210198), (53, 380150708), (76, 265105099), (106, 190075354), (133, 151488628), (212, 95037677), (266, 75744314), (371, 54307244), (532, 37872157), (742, 27153622), (1007, 20007932), (1484, 13576811), (2014, 10003966), (4028, 5001983), (7049, 2858276), (14098, 1429138), (28196, 714569)]