20814900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{69383}}^1$

素因数の和:69400

約数の個数: 36

約数和(自身を含む): 60225312

約数和(自身を除く): 39410412

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 69383, 138766, 208149, 277532, 346915, 416298, 693830, 832596, 1040745, 1387660, 1734575, 2081490, 3469150, 4162980, 5203725, 6938300, 10407450, 20814900]

約数ペア:

[(1, 20814900), (2, 10407450), (3, 6938300), (4, 5203725), (5, 4162980), (6, 3469150), (10, 2081490), (12, 1734575), (15, 1387660), (20, 1040745), (25, 832596), (30, 693830), (50, 416298), (60, 346915), (75, 277532), (100, 208149), (150, 138766), (300, 69383)]