20247004725

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1777}}^1\times {\mathrm{3533}}^1$

素因数の和:5366

約数の個数: 48

約数和(自身を含む): 34282514112

約数和(自身を除く): 14035509387

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 1777, 3225, 3533, 5331, 8885, 10599, 17665, 26655, 44425, 52995, 76411, 88325, 133275, 151919, 229233, 264975, 382055, 455757, 759595, 1146165, 1910275, 2278785, 3797975, 5730825, 6278141, 11393925, 18834423, 31390705, 94172115, 156953525, 269960063, 470860575, 809880189, 1349800315, 4049400945, 6749001575, 20247004725]

約数ペア:

[(1, 20247004725), (3, 6749001575), (5, 4049400945), (15, 1349800315), (25, 809880189), (43, 470860575), (75, 269960063), (129, 156953525), (215, 94172115), (645, 31390705), (1075, 18834423), (1777, 11393925), (3225, 6278141), (3533, 5730825), (5331, 3797975), (8885, 2278785), (10599, 1910275), (17665, 1146165), (26655, 759595), (44425, 455757), (52995, 382055), (76411, 264975), (88325, 229233), (133275, 151919)]