20121717070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1213}}^1\times {\mathrm{18229}}^1$

素因数の和:19469

約数の個数: 64

約数和(自身を含む): 44616539520

約数和(自身を除く): 24494822450

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 1213, 2426, 6065, 8491, 12130, 15769, 16982, 18229, 31538, 36458, 42455, 78845, 84910, 91145, 110383, 127603, 157690, 182290, 220766, 236977, 255206, 473954, 551915, 638015, 1103830, 1184885, 1276030, 1658839, 2369770, 3317678, 8294195, 16588390, 22111777, 44223554, 110558885, 154782439, 221117770, 287453101, 309564878, 574906202, 773912195, 1437265505, 1547824390, 2012171707, 2874531010, 4024343414, 10060858535, 20121717070]

約数ペア:

[(1, 20121717070), (2, 10060858535), (5, 4024343414), (7, 2874531010), (10, 2012171707), (13, 1547824390), (14, 1437265505), (26, 773912195), (35, 574906202), (65, 309564878), (70, 287453101), (91, 221117770), (130, 154782439), (182, 110558885), (455, 44223554), (910, 22111777), (1213, 16588390), (2426, 8294195), (6065, 3317678), (8491, 2369770), (12130, 1658839), (15769, 1276030), (16982, 1184885), (18229, 1103830), (31538, 638015), (36458, 551915), (42455, 473954), (78845, 255206), (84910, 236977), (91145, 220766), (110383, 182290), (127603, 157690)]