20345062804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{21319}}^1$

素因数の和:21421

約数の個数: 72

約数和(自身を含む): 41594978880

約数和(自身を除く): 21249916076

約数列:

[1, 2, 4, 11, 22, 23, 41, 44, 46, 82, 92, 164, 253, 451, 506, 529, 902, 943, 1012, 1058, 1804, 1886, 2116, 3772, 5819, 10373, 11638, 20746, 21319, 21689, 23276, 41492, 42638, 43378, 85276, 86756, 234509, 238579, 469018, 477158, 490337, 874079, 938036, 954316, 980674, 1748158, 1961348, 3496316, 5393707, 9614869, 10787414, 11277751, 19229738, 20103817, 21574828, 22555502, 38459476, 40207634, 45111004, 80415268, 124055261, 221141987, 248110522, 442283974, 462387791, 496221044, 884567948, 924775582, 1849551164, 5086265701, 10172531402, 20345062804]

約数ペア:

[(1, 20345062804), (2, 10172531402), (4, 5086265701), (11, 1849551164), (22, 924775582), (23, 884567948), (41, 496221044), (44, 462387791), (46, 442283974), (82, 248110522), (92, 221141987), (164, 124055261), (253, 80415268), (451, 45111004), (506, 40207634), (529, 38459476), (902, 22555502), (943, 21574828), (1012, 20103817), (1058, 19229738), (1804, 11277751), (1886, 10787414), (2116, 9614869), (3772, 5393707), (5819, 3496316), (10373, 1961348), (11638, 1748158), (20746, 980674), (21319, 954316), (21689, 938036), (23276, 874079), (41492, 490337), (42638, 477158), (43378, 469018), (85276, 238579), (86756, 234509)]