20120376520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{47041}}^1$

素因数の和:47123

約数の個数: 96

約数和(自身を含む): 49391277480

約数和(自身を除く): 29270900960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 68, 74, 85, 136, 148, 170, 185, 289, 296, 340, 370, 578, 629, 680, 740, 1156, 1258, 1445, 1480, 2312, 2516, 2890, 3145, 5032, 5780, 6290, 10693, 11560, 12580, 21386, 25160, 42772, 47041, 53465, 85544, 94082, 106930, 188164, 213860, 235205, 376328, 427720, 470410, 799697, 940820, 1599394, 1740517, 1881640, 3198788, 3481034, 3998485, 6397576, 6962068, 7996970, 8702585, 13594849, 13924136, 15993940, 17405170, 27189698, 29588789, 31987880, 34810340, 54379396, 59177578, 67974245, 69620680, 108758792, 118355156, 135948490, 147943945, 236710312, 271896980, 295887890, 503009413, 543793960, 591775780, 1006018826, 1183551560, 2012037652, 2515047065, 4024075304, 5030094130, 10060188260, 20120376520]

約数ペア:

[(1, 20120376520), (2, 10060188260), (4, 5030094130), (5, 4024075304), (8, 2515047065), (10, 2012037652), (17, 1183551560), (20, 1006018826), (34, 591775780), (37, 543793960), (40, 503009413), (68, 295887890), (74, 271896980), (85, 236710312), (136, 147943945), (148, 135948490), (170, 118355156), (185, 108758792), (289, 69620680), (296, 67974245), (340, 59177578), (370, 54379396), (578, 34810340), (629, 31987880), (680, 29588789), (740, 27189698), (1156, 17405170), (1258, 15993940), (1445, 13924136), (1480, 13594849), (2312, 8702585), (2516, 7996970), (2890, 6962068), (3145, 6397576), (5032, 3998485), (5780, 3481034), (6290, 3198788), (10693, 1881640), (11560, 1740517), (12580, 1599394), (21386, 940820), (25160, 799697), (42772, 470410), (47041, 427720), (53465, 376328), (85544, 235205), (94082, 213860), (106930, 188164)]