20197522804

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{821}}^1\times {\mathrm{323699}}^1$

素因数の和:324543

約数の個数: 24

約数和(自身を含む): 37251396000

約数和(自身を除く): 17053873196

約数列:

[1, 2, 4, 19, 38, 76, 821, 1642, 3284, 15599, 31198, 62396, 323699, 647398, 1294796, 6150281, 12300562, 24601124, 265756879, 531513758, 1063027516, 5049380701, 10098761402, 20197522804]

約数ペア:

[(1, 20197522804), (2, 10098761402), (4, 5049380701), (19, 1063027516), (38, 531513758), (76, 265756879), (821, 24601124), (1642, 12300562), (3284, 6150281), (15599, 1294796), (31198, 647398), (62396, 323699)]