20029890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1487}}^1$

素因数の和:1946

約数の個数: 32

約数和(自身を含む): 48211200

約数和(自身を除く): 28181310

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 449, 898, 1347, 1487, 2245, 2694, 2974, 4461, 4490, 6735, 7435, 8922, 13470, 14870, 22305, 44610, 667663, 1335326, 2002989, 3338315, 4005978, 6676630, 10014945, 20029890]

約数ペア:

[(1, 20029890), (2, 10014945), (3, 6676630), (5, 4005978), (6, 3338315), (10, 2002989), (15, 1335326), (30, 667663), (449, 44610), (898, 22305), (1347, 14870), (1487, 13470), (2245, 8922), (2694, 7435), (2974, 6735), (4461, 4490)]