20604120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1667}}^1$

素因数の和:1784

約数の個数: 64

約数和(自身を含む): 62449920

約数和(自身を除く): 41845800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 824, 1030, 1236, 1545, 1667, 2060, 2472, 3090, 3334, 4120, 5001, 6180, 6668, 8335, 10002, 12360, 13336, 16670, 20004, 25005, 33340, 40008, 50010, 66680, 100020, 171701, 200040, 343402, 515103, 686804, 858505, 1030206, 1373608, 1717010, 2060412, 2575515, 3434020, 4120824, 5151030, 6868040, 10302060, 20604120]

約数ペア:

[(1, 20604120), (2, 10302060), (3, 6868040), (4, 5151030), (5, 4120824), (6, 3434020), (8, 2575515), (10, 2060412), (12, 1717010), (15, 1373608), (20, 1030206), (24, 858505), (30, 686804), (40, 515103), (60, 343402), (103, 200040), (120, 171701), (206, 100020), (309, 66680), (412, 50010), (515, 40008), (618, 33340), (824, 25005), (1030, 20004), (1236, 16670), (1545, 13336), (1667, 12360), (2060, 10002), (2472, 8335), (3090, 6668), (3334, 6180), (4120, 5001)]