20129408

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{12097}}^1$

素因数の和:12124

約数の個数: 32

約数和(自身を含む): 43189860

約数和(自身を除く): 23060452

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 12097, 24194, 48388, 96776, 157261, 193552, 314522, 387104, 629044, 774208, 1258088, 1548416, 2516176, 5032352, 10064704, 20129408]

約数ペア:

[(1, 20129408), (2, 10064704), (4, 5032352), (8, 2516176), (13, 1548416), (16, 1258088), (26, 774208), (32, 629044), (52, 387104), (64, 314522), (104, 193552), (128, 157261), (208, 96776), (416, 48388), (832, 24194), (1664, 12097)]