20217824

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3023}}^1$

素因数の和:3063

約数の個数: 48

約数和(自身を含む): 45722880

約数和(自身を除く): 25505056

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 76, 88, 152, 176, 209, 304, 352, 418, 608, 836, 1672, 3023, 3344, 6046, 6688, 12092, 24184, 33253, 48368, 57437, 66506, 96736, 114874, 133012, 229748, 266024, 459496, 532048, 631807, 918992, 1064096, 1263614, 1837984, 2527228, 5054456, 10108912, 20217824]

約数ペア:

[(1, 20217824), (2, 10108912), (4, 5054456), (8, 2527228), (11, 1837984), (16, 1263614), (19, 1064096), (22, 918992), (32, 631807), (38, 532048), (44, 459496), (76, 266024), (88, 229748), (152, 133012), (176, 114874), (209, 96736), (304, 66506), (352, 57437), (418, 48368), (608, 33253), (836, 24184), (1672, 12092), (3023, 6688), (3344, 6046)]