201211062020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{4570901}}^1$

素因数の和:4571012

約数の個数: 48

約数和(自身を含む): 442317044736

約数和(自身を除く): 241105982716

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 710, 1420, 2201, 4402, 8804, 11005, 22010, 44020, 4570901, 9141802, 18283604, 22854505, 45709010, 91418020, 141697931, 283395862, 324533971, 566791724, 649067942, 708489655, 1298135884, 1416979310, 1622669855, 2833958620, 3245339710, 6490679420, 10060553101, 20121106202, 40242212404, 50302765505, 100605531010, 201211062020]

約数ペア:

[(1, 201211062020), (2, 100605531010), (4, 50302765505), (5, 40242212404), (10, 20121106202), (20, 10060553101), (31, 6490679420), (62, 3245339710), (71, 2833958620), (124, 1622669855), (142, 1416979310), (155, 1298135884), (284, 708489655), (310, 649067942), (355, 566791724), (620, 324533971), (710, 283395862), (1420, 141697931), (2201, 91418020), (4402, 45709010), (8804, 22854505), (11005, 18283604), (22010, 9141802), (44020, 4570901)]