20177296321

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1783}}^1\times {\mathrm{3361}}^1$

素因数の和:5201

約数の個数: 32

約数和(自身を含む): 25526670848

約数和(自身を除く): 5349374527

約数列:

[1, 7, 13, 37, 91, 259, 481, 1783, 3361, 3367, 12481, 23179, 23527, 43693, 65971, 124357, 162253, 305851, 461797, 857623, 870499, 1616641, 5992663, 6003361, 11316487, 41948641, 77904619, 221728531, 545332333, 1552099717, 2882470903, 20177296321]

約数ペア:

[(1, 20177296321), (7, 2882470903), (13, 1552099717), (37, 545332333), (91, 221728531), (259, 77904619), (481, 41948641), (1783, 11316487), (3361, 6003361), (3367, 5992663), (12481, 1616641), (23179, 870499), (23527, 857623), (43693, 461797), (65971, 305851), (124357, 162253)]