20130180357

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1\times {\mathrm{733}}^1$

素因数の和:1090

約数の個数: 64

約数和(自身を含む): 31617478656

約数和(自身を除く): 11487298299

約数列:

[1, 3, 7, 21, 71, 113, 163, 213, 339, 489, 497, 733, 791, 1141, 1491, 2199, 2373, 3423, 5131, 8023, 11573, 15393, 18419, 24069, 34719, 52043, 55257, 56161, 81011, 82829, 119479, 128933, 156129, 168483, 243033, 248487, 358437, 364301, 386799, 579803, 836353, 1092903, 1307749, 1739409, 2509059, 3923247, 5880859, 8483009, 9154243, 13501127, 17642577, 25449027, 27462729, 40503381, 41166013, 59381063, 94507889, 123498039, 178143189, 283523667, 958580017, 2875740051, 6710060119, 20130180357]

約数ペア:

[(1, 20130180357), (3, 6710060119), (7, 2875740051), (21, 958580017), (71, 283523667), (113, 178143189), (163, 123498039), (213, 94507889), (339, 59381063), (489, 41166013), (497, 40503381), (733, 27462729), (791, 25449027), (1141, 17642577), (1491, 13501127), (2199, 9154243), (2373, 8483009), (3423, 5880859), (5131, 3923247), (8023, 2509059), (11573, 1739409), (15393, 1307749), (18419, 1092903), (24069, 836353), (34719, 579803), (52043, 386799), (55257, 364301), (56161, 358437), (81011, 248487), (82829, 243033), (119479, 168483), (128933, 156129)]