20162580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4733}}^1$

素因数の和:4816

約数の個数: 48

約数和(自身を含む): 57262464

約数和(自身を除く): 37099884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 4733, 9466, 14199, 18932, 23665, 28398, 47330, 56796, 70995, 94660, 141990, 283980, 336043, 672086, 1008129, 1344172, 1680215, 2016258, 3360430, 4032516, 5040645, 6720860, 10081290, 20162580]

約数ペア:

[(1, 20162580), (2, 10081290), (3, 6720860), (4, 5040645), (5, 4032516), (6, 3360430), (10, 2016258), (12, 1680215), (15, 1344172), (20, 1008129), (30, 672086), (60, 336043), (71, 283980), (142, 141990), (213, 94660), (284, 70995), (355, 56796), (426, 47330), (710, 28398), (852, 23665), (1065, 18932), (1420, 14199), (2130, 9466), (4260, 4733)]