20120355010

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1324579}}^1$

素因数の和:1324631

約数の個数: 48

約数和(自身を含む): 43488610560

約数和(自身を除く): 23368255550

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 98, 155, 217, 245, 310, 434, 490, 1085, 1519, 2170, 3038, 7595, 15190, 1324579, 2649158, 6622895, 9272053, 13245790, 18544106, 41061949, 46360265, 64904371, 82123898, 92720530, 129808742, 205309745, 287433643, 324521855, 410619490, 574867286, 649043710, 1437168215, 2012035501, 2874336430, 4024071002, 10060177505, 20120355010]

約数ペア:

[(1, 20120355010), (2, 10060177505), (5, 4024071002), (7, 2874336430), (10, 2012035501), (14, 1437168215), (31, 649043710), (35, 574867286), (49, 410619490), (62, 324521855), (70, 287433643), (98, 205309745), (155, 129808742), (217, 92720530), (245, 82123898), (310, 64904371), (434, 46360265), (490, 41061949), (1085, 18544106), (1519, 13245790), (2170, 9272053), (3038, 6622895), (7595, 2649158), (15190, 1324579)]