20312928

素因数分解:

$2^5\times 3^2\times {\mathrm{251}}^1\times {\mathrm{281}}^1$

素因数の和:548

約数の個数: 72

約数和(自身を含む): 58201416

約数和(自身を除く): 37888488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 251, 281, 288, 502, 562, 753, 843, 1004, 1124, 1506, 1686, 2008, 2248, 2259, 2529, 3012, 3372, 4016, 4496, 4518, 5058, 6024, 6744, 8032, 8992, 9036, 10116, 12048, 13488, 18072, 20232, 24096, 26976, 36144, 40464, 70531, 72288, 80928, 141062, 211593, 282124, 423186, 564248, 634779, 846372, 1128496, 1269558, 1692744, 2256992, 2539116, 3385488, 5078232, 6770976, 10156464, 20312928]

約数ペア:

[(1, 20312928), (2, 10156464), (3, 6770976), (4, 5078232), (6, 3385488), (8, 2539116), (9, 2256992), (12, 1692744), (16, 1269558), (18, 1128496), (24, 846372), (32, 634779), (36, 564248), (48, 423186), (72, 282124), (96, 211593), (144, 141062), (251, 80928), (281, 72288), (288, 70531), (502, 40464), (562, 36144), (753, 26976), (843, 24096), (1004, 20232), (1124, 18072), (1506, 13488), (1686, 12048), (2008, 10116), (2248, 9036), (2259, 8992), (2529, 8032), (3012, 6744), (3372, 6024), (4016, 5058), (4496, 4518)]