20228864

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{2549}}^1$

素因数の和:2596

約数の個数: 36

約数和(自身を含む): 41697600

約数和(自身を除く): 21468736

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 2549, 3968, 5098, 7936, 10196, 20392, 40784, 79019, 81568, 158038, 163136, 316076, 326272, 632152, 652544, 1264304, 2528608, 5057216, 10114432, 20228864]

約数ペア:

[(1, 20228864), (2, 10114432), (4, 5057216), (8, 2528608), (16, 1264304), (31, 652544), (32, 632152), (62, 326272), (64, 316076), (124, 163136), (128, 158038), (248, 81568), (256, 79019), (496, 40784), (992, 20392), (1984, 10196), (2549, 7936), (3968, 5098)]