20401592

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1699}}^1$

素因数の和:1803

約数の個数: 32

約数和(自身を含む): 40800000

約数和(自身を除く): 20398408

約数列:

[1, 2, 4, 8, 19, 38, 76, 79, 152, 158, 316, 632, 1501, 1699, 3002, 3398, 6004, 6796, 12008, 13592, 32281, 64562, 129124, 134221, 258248, 268442, 536884, 1073768, 2550199, 5100398, 10200796, 20401592]

約数ペア:

[(1, 20401592), (2, 10200796), (4, 5100398), (8, 2550199), (19, 1073768), (38, 536884), (76, 268442), (79, 258248), (152, 134221), (158, 129124), (316, 64562), (632, 32281), (1501, 13592), (1699, 12008), (3002, 6796), (3398, 6004)]