20446816

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2137}}^1$

素因数の和:2183

約数の個数: 48

約数和(自身を含む): 45257184

約数和(自身を除く): 24810368

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 92, 104, 184, 208, 299, 368, 416, 598, 736, 1196, 2137, 2392, 4274, 4784, 8548, 9568, 17096, 27781, 34192, 49151, 55562, 68384, 98302, 111124, 196604, 222248, 393208, 444496, 638963, 786416, 888992, 1277926, 1572832, 2555852, 5111704, 10223408, 20446816]

約数ペア:

[(1, 20446816), (2, 10223408), (4, 5111704), (8, 2555852), (13, 1572832), (16, 1277926), (23, 888992), (26, 786416), (32, 638963), (46, 444496), (52, 393208), (92, 222248), (104, 196604), (184, 111124), (208, 98302), (299, 68384), (368, 55562), (416, 49151), (598, 34192), (736, 27781), (1196, 17096), (2137, 9568), (2392, 8548), (4274, 4784)]