20992010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1429}}^1$

素因数の和:1562

約数の個数: 32

約数和(自身を含む): 41081040

約数和(自身を除く): 20089030

約数列:

[1, 2, 5, 10, 13, 26, 65, 113, 130, 226, 565, 1130, 1429, 1469, 2858, 2938, 7145, 7345, 14290, 14690, 18577, 37154, 92885, 161477, 185770, 322954, 807385, 1614770, 2099201, 4198402, 10496005, 20992010]

約数ペア:

[(1, 20992010), (2, 10496005), (5, 4198402), (10, 2099201), (13, 1614770), (26, 807385), (65, 322954), (113, 185770), (130, 161477), (226, 92885), (565, 37154), (1130, 18577), (1429, 14690), (1469, 14290), (2858, 7345), (2938, 7145)]