20163787208

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{377147}}^1$

素因数の和:377357

約数の個数: 32

約数和(自身を含む): 38966931360

約数和(自身を除く): 18803144152

約数列:

[1, 2, 4, 8, 41, 82, 163, 164, 326, 328, 652, 1304, 6683, 13366, 26732, 53464, 377147, 754294, 1508588, 3017176, 15463027, 30926054, 61474961, 61852108, 122949922, 123704216, 245899844, 491799688, 2520473401, 5040946802, 10081893604, 20163787208]

約数ペア:

[(1, 20163787208), (2, 10081893604), (4, 5040946802), (8, 2520473401), (41, 491799688), (82, 245899844), (163, 123704216), (164, 122949922), (326, 61852108), (328, 61474961), (652, 30926054), (1304, 15463027), (6683, 3017176), (13366, 1508588), (26732, 754294), (53464, 377147)]