20707141580

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1801}}^1\times {\mathrm{3323}}^1$

素因数の和:5306

約数の個数: 48

約数和(自身を含む): 43773809184

約数和(自身を除く): 23066667604

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 1801, 3323, 3460, 3602, 6646, 7204, 9005, 13292, 16615, 18010, 33230, 36020, 66460, 311573, 574879, 623146, 1149758, 1246292, 1557865, 2299516, 2874395, 3115730, 5748790, 5984723, 6231460, 11497580, 11969446, 23938892, 29923615, 59847230, 119694460, 1035357079, 2070714158, 4141428316, 5176785395, 10353570790, 20707141580]

約数ペア:

[(1, 20707141580), (2, 10353570790), (4, 5176785395), (5, 4141428316), (10, 2070714158), (20, 1035357079), (173, 119694460), (346, 59847230), (692, 29923615), (865, 23938892), (1730, 11969446), (1801, 11497580), (3323, 6231460), (3460, 5984723), (3602, 5748790), (6646, 3115730), (7204, 2874395), (9005, 2299516), (13292, 1557865), (16615, 1246292), (18010, 1149758), (33230, 623146), (36020, 574879), (66460, 311573)]