20505216

素因数分解:

$2^7\times 3^1\times {\mathrm{67}}^1\times {\mathrm{797}}^1$

素因数の和:881

約数の個数: 64

約数和(自身を含む): 55349280

約数和(自身を除く): 34844064

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 67, 96, 128, 134, 192, 201, 268, 384, 402, 536, 797, 804, 1072, 1594, 1608, 2144, 2391, 3188, 3216, 4288, 4782, 6376, 6432, 8576, 9564, 12752, 12864, 19128, 25504, 25728, 38256, 51008, 53399, 76512, 102016, 106798, 153024, 160197, 213596, 306048, 320394, 427192, 640788, 854384, 1281576, 1708768, 2563152, 3417536, 5126304, 6835072, 10252608, 20505216]

約数ペア:

[(1, 20505216), (2, 10252608), (3, 6835072), (4, 5126304), (6, 3417536), (8, 2563152), (12, 1708768), (16, 1281576), (24, 854384), (32, 640788), (48, 427192), (64, 320394), (67, 306048), (96, 213596), (128, 160197), (134, 153024), (192, 106798), (201, 102016), (268, 76512), (384, 53399), (402, 51008), (536, 38256), (797, 25728), (804, 25504), (1072, 19128), (1594, 12864), (1608, 12752), (2144, 9564), (2391, 8576), (3188, 6432), (3216, 6376), (4288, 4782)]