20214618908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:759

約数の個数: 96

約数和(自身を含む): 39852933120

約数和(自身を除く): 19638314212

約数列:

[1, 2, 4, 11, 22, 44, 79, 103, 131, 158, 206, 262, 316, 412, 431, 524, 862, 869, 1133, 1441, 1724, 1738, 2266, 2882, 3476, 4532, 4741, 5764, 8137, 9482, 10349, 13493, 16274, 18964, 20698, 26986, 32548, 34049, 41396, 44393, 53972, 56461, 68098, 88786, 89507, 112922, 113839, 136196, 148423, 177572, 179014, 225844, 227678, 296846, 358028, 374539, 455356, 488323, 593692, 621071, 749078, 976646, 1065947, 1242142, 1498156, 1953292, 2131894, 2484284, 3507047, 4263788, 4460419, 5815483, 7014094, 8920838, 11630966, 11725417, 14028188, 17841676, 23261932, 23450834, 38577517, 46901668, 49064609, 63970313, 77155034, 98129218, 127940626, 154310068, 196258436, 255881252, 459423157, 918846314, 1837692628, 5053654727, 10107309454, 20214618908]

約数ペア:

[(1, 20214618908), (2, 10107309454), (4, 5053654727), (11, 1837692628), (22, 918846314), (44, 459423157), (79, 255881252), (103, 196258436), (131, 154310068), (158, 127940626), (206, 98129218), (262, 77155034), (316, 63970313), (412, 49064609), (431, 46901668), (524, 38577517), (862, 23450834), (869, 23261932), (1133, 17841676), (1441, 14028188), (1724, 11725417), (1738, 11630966), (2266, 8920838), (2882, 7014094), (3476, 5815483), (4532, 4460419), (4741, 4263788), (5764, 3507047), (8137, 2484284), (9482, 2131894), (10349, 1953292), (13493, 1498156), (16274, 1242142), (18964, 1065947), (20698, 976646), (26986, 749078), (32548, 621071), (34049, 593692), (41396, 488323), (44393, 455356), (53972, 374539), (56461, 358028), (68098, 296846), (88786, 227678), (89507, 225844), (112922, 179014), (113839, 177572), (136196, 148423)]