20008416105

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{364751}}^1$

素因数の和:364838

約数の個数: 48

約数和(自身を含む): 36872050176

約数和(自身を除く): 16863634071

約数列:

[1, 3, 5, 9, 15, 23, 45, 53, 69, 115, 159, 207, 265, 345, 477, 795, 1035, 1219, 2385, 3657, 6095, 10971, 18285, 54855, 364751, 1094253, 1823755, 3282759, 5471265, 8389273, 16413795, 19331803, 25167819, 41946365, 57995409, 75503457, 96659015, 125839095, 173986227, 289977045, 377517285, 444631469, 869931135, 1333894407, 2223157345, 4001683221, 6669472035, 20008416105]

約数ペア:

[(1, 20008416105), (3, 6669472035), (5, 4001683221), (9, 2223157345), (15, 1333894407), (23, 869931135), (45, 444631469), (53, 377517285), (69, 289977045), (115, 173986227), (159, 125839095), (207, 96659015), (265, 75503457), (345, 57995409), (477, 41946365), (795, 25167819), (1035, 19331803), (1219, 16413795), (2385, 8389273), (3657, 5471265), (6095, 3282759), (10971, 1823755), (18285, 1094253), (54855, 364751)]