20809929424

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{167887}}^1$

素因数の和:168083

約数の個数: 40

約数和(自身を含む): 41303134208

約数和(自身を除く): 20493204784

約数列:

[1, 2, 4, 8, 16, 61, 122, 127, 244, 254, 488, 508, 976, 1016, 2032, 7747, 15494, 30988, 61976, 123952, 167887, 335774, 671548, 1343096, 2686192, 10241107, 20482214, 21321649, 40964428, 42643298, 81928856, 85286596, 163857712, 170573192, 341146384, 1300620589, 2601241178, 5202482356, 10404964712, 20809929424]

約数ペア:

[(1, 20809929424), (2, 10404964712), (4, 5202482356), (8, 2601241178), (16, 1300620589), (61, 341146384), (122, 170573192), (127, 163857712), (244, 85286596), (254, 81928856), (488, 42643298), (508, 40964428), (976, 21321649), (1016, 20482214), (2032, 10241107), (7747, 2686192), (15494, 1343096), (30988, 671548), (61976, 335774), (123952, 167887)]