202007984

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{307939}}^1$

素因数の和:307988

約数の個数: 20

約数和(自身を含む): 400937880

約数和(自身を除く): 198929896

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 307939, 615878, 1231756, 2463512, 4927024, 12625499, 25250998, 50501996, 101003992, 202007984]

約数ペア:

[(1, 202007984), (2, 101003992), (4, 50501996), (8, 25250998), (16, 12625499), (41, 4927024), (82, 2463512), (164, 1231756), (328, 615878), (656, 307939)]