20239220456

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{351913}}^1$

素因数の和:352018

約数の個数: 64

約数和(自身を含む): 47297241600

約数和(自身を除く): 27058021144

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 79, 91, 104, 158, 182, 316, 364, 553, 632, 728, 1027, 1106, 2054, 2212, 4108, 4424, 7189, 8216, 14378, 28756, 57512, 351913, 703826, 1407652, 2463391, 2815304, 4574869, 4926782, 9149738, 9853564, 18299476, 19707128, 27801127, 32024083, 36598952, 55602254, 64048166, 111204508, 128096332, 194607889, 222409016, 256192664, 361414651, 389215778, 722829302, 778431556, 1445658604, 1556863112, 2529902557, 2891317208, 5059805114, 10119610228, 20239220456]

約数ペア:

[(1, 20239220456), (2, 10119610228), (4, 5059805114), (7, 2891317208), (8, 2529902557), (13, 1556863112), (14, 1445658604), (26, 778431556), (28, 722829302), (52, 389215778), (56, 361414651), (79, 256192664), (91, 222409016), (104, 194607889), (158, 128096332), (182, 111204508), (316, 64048166), (364, 55602254), (553, 36598952), (632, 32024083), (728, 27801127), (1027, 19707128), (1106, 18299476), (2054, 9853564), (2212, 9149738), (4108, 4926782), (4424, 4574869), (7189, 2815304), (8216, 2463391), (14378, 1407652), (28756, 703826), (57512, 351913)]