20690176

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{6217}}^1$

素因数の和:6246

約数の個数: 36

約数和(自身を含む): 44483572

約数和(自身を除く): 23793396

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 6217, 12434, 24868, 49736, 80821, 99472, 161642, 198944, 323284, 397888, 646568, 795776, 1293136, 1591552, 2586272, 5172544, 10345088, 20690176]

約数ペア:

[(1, 20690176), (2, 10345088), (4, 5172544), (8, 2586272), (13, 1591552), (16, 1293136), (26, 795776), (32, 646568), (52, 397888), (64, 323284), (104, 198944), (128, 161642), (208, 99472), (256, 80821), (416, 49736), (832, 24868), (1664, 12434), (3328, 6217)]