20312156920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{159737}}^1$

素因数の和:159793

約数の個数: 96

約数和(自身を含む): 52962731280

約数和(自身を除く): 32650574360

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 289, 340, 374, 440, 578, 680, 748, 935, 1156, 1445, 1496, 1870, 2312, 2890, 3179, 3740, 5780, 6358, 7480, 11560, 12716, 15895, 25432, 31790, 63580, 127160, 159737, 319474, 638948, 798685, 1277896, 1597370, 1757107, 2715529, 3194740, 3514214, 5431058, 6389480, 7028428, 8785535, 10862116, 13577645, 14056856, 17571070, 21724232, 27155290, 29870819, 35142140, 46163993, 54310580, 59741638, 70284280, 92327986, 108621160, 119483276, 149354095, 184655972, 230819965, 238966552, 298708190, 369311944, 461639930, 507803923, 597416380, 923279860, 1015607846, 1194832760, 1846559720, 2031215692, 2539019615, 4062431384, 5078039230, 10156078460, 20312156920]

約数ペア:

[(1, 20312156920), (2, 10156078460), (4, 5078039230), (5, 4062431384), (8, 2539019615), (10, 2031215692), (11, 1846559720), (17, 1194832760), (20, 1015607846), (22, 923279860), (34, 597416380), (40, 507803923), (44, 461639930), (55, 369311944), (68, 298708190), (85, 238966552), (88, 230819965), (110, 184655972), (136, 149354095), (170, 119483276), (187, 108621160), (220, 92327986), (289, 70284280), (340, 59741638), (374, 54310580), (440, 46163993), (578, 35142140), (680, 29870819), (748, 27155290), (935, 21724232), (1156, 17571070), (1445, 14056856), (1496, 13577645), (1870, 10862116), (2312, 8785535), (2890, 7028428), (3179, 6389480), (3740, 5431058), (5780, 3514214), (6358, 3194740), (7480, 2715529), (11560, 1757107), (12716, 1597370), (15895, 1277896), (25432, 798685), (31790, 638948), (63580, 319474), (127160, 159737)]