20219657992

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{631}}^1\times {\mathrm{129209}}^1$

素因数の和:129877

約数の個数: 32

約数和(自身を含む): 39197145600

約数和(自身を除く): 18977487608

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 631, 1262, 2524, 5048, 19561, 39122, 78244, 129209, 156488, 258418, 516836, 1033672, 4005479, 8010958, 16021916, 32043832, 81530879, 163061758, 326123516, 652247032, 2527457249, 5054914498, 10109828996, 20219657992]

約数ペア:

[(1, 20219657992), (2, 10109828996), (4, 5054914498), (8, 2527457249), (31, 652247032), (62, 326123516), (124, 163061758), (248, 81530879), (631, 32043832), (1262, 16021916), (2524, 8010958), (5048, 4005479), (19561, 1033672), (39122, 516836), (78244, 258418), (129209, 156488)]