20284796

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{13669}}^1$

素因数の和:13733

約数の個数: 24

約数和(自身を含む): 41338080

約数和(自身を除く): 21053284

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 13669, 27338, 54676, 95683, 191366, 382732, 724457, 1448914, 2897828, 5071199, 10142398, 20284796]

約数ペア:

[(1, 20284796), (2, 10142398), (4, 5071199), (7, 2897828), (14, 1448914), (28, 724457), (53, 382732), (106, 191366), (212, 95683), (371, 54676), (742, 27338), (1484, 13669)]