20673796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{769}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 43464960

約数和(自身を除く): 22791164

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 47, 52, 94, 143, 188, 286, 517, 572, 611, 769, 1034, 1222, 1538, 2068, 2444, 3076, 6721, 8459, 9997, 13442, 16918, 19994, 26884, 33836, 36143, 39988, 72286, 109967, 144572, 219934, 397573, 439868, 469859, 795146, 939718, 1590292, 1879436, 5168449, 10336898, 20673796]

約数ペア:

[(1, 20673796), (2, 10336898), (4, 5168449), (11, 1879436), (13, 1590292), (22, 939718), (26, 795146), (44, 469859), (47, 439868), (52, 397573), (94, 219934), (143, 144572), (188, 109967), (286, 72286), (517, 39988), (572, 36143), (611, 33836), (769, 26884), (1034, 19994), (1222, 16918), (1538, 13442), (2068, 9997), (2444, 8459), (3076, 6721)]