20173397560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{229139}}^1$

素因数の和:229252

約数の個数: 64

約数和(自身を含む): 47514470400

約数和(自身を除く): 27341072840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 142, 155, 248, 284, 310, 355, 568, 620, 710, 1240, 1420, 2201, 2840, 4402, 8804, 11005, 17608, 22010, 44020, 88040, 229139, 458278, 916556, 1145695, 1833112, 2291390, 4582780, 7103309, 9165560, 14206618, 16268869, 28413236, 32537738, 35516545, 56826472, 65075476, 71033090, 81344345, 130150952, 142066180, 162688690, 284132360, 325377380, 504334939, 650754760, 1008669878, 2017339756, 2521674695, 4034679512, 5043349390, 10086698780, 20173397560]

約数ペア:

[(1, 20173397560), (2, 10086698780), (4, 5043349390), (5, 4034679512), (8, 2521674695), (10, 2017339756), (20, 1008669878), (31, 650754760), (40, 504334939), (62, 325377380), (71, 284132360), (124, 162688690), (142, 142066180), (155, 130150952), (248, 81344345), (284, 71033090), (310, 65075476), (355, 56826472), (568, 35516545), (620, 32537738), (710, 28413236), (1240, 16268869), (1420, 14206618), (2201, 9165560), (2840, 7103309), (4402, 4582780), (8804, 2291390), (11005, 1833112), (17608, 1145695), (22010, 916556), (44020, 458278), (88040, 229139)]