20304896

素因数分解:

$2^{10}\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:350

約数の個数: 44

約数和(自身を含む): 41267520

約数和(自身を除く): 20962624

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 251, 256, 316, 502, 512, 632, 1004, 1024, 1264, 2008, 2528, 4016, 5056, 8032, 10112, 16064, 19829, 20224, 32128, 39658, 40448, 64256, 79316, 80896, 128512, 158632, 257024, 317264, 634528, 1269056, 2538112, 5076224, 10152448, 20304896]

約数ペア:

[(1, 20304896), (2, 10152448), (4, 5076224), (8, 2538112), (16, 1269056), (32, 634528), (64, 317264), (79, 257024), (128, 158632), (158, 128512), (251, 80896), (256, 79316), (316, 64256), (502, 40448), (512, 39658), (632, 32128), (1004, 20224), (1024, 19829), (1264, 16064), (2008, 10112), (2528, 8032), (4016, 5056)]