20587630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{599}}^1$

素因数の和:1104

約数の個数: 32

約数和(自身を含む): 42508800

約数和(自身を除く): 21921170

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 491, 599, 982, 1198, 2455, 2995, 3437, 4193, 4910, 5990, 6874, 8386, 17185, 20965, 34370, 41930, 294109, 588218, 1470545, 2058763, 2941090, 4117526, 10293815, 20587630]

約数ペア:

[(1, 20587630), (2, 10293815), (5, 4117526), (7, 2941090), (10, 2058763), (14, 1470545), (35, 588218), (70, 294109), (491, 41930), (599, 34370), (982, 20965), (1198, 17185), (2455, 8386), (2995, 6874), (3437, 5990), (4193, 4910)]