20238153

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 30331392

約数和(自身を除く): 10093239

約数列:

[1, 3, 13, 39, 47, 61, 141, 181, 183, 543, 611, 793, 1833, 2353, 2379, 2867, 7059, 8507, 8601, 11041, 25521, 33123, 37271, 110591, 111813, 143533, 331773, 430599, 518927, 1556781, 6746051, 20238153]

約数ペア:

[(1, 20238153), (3, 6746051), (13, 1556781), (39, 518927), (47, 430599), (61, 331773), (141, 143533), (181, 111813), (183, 110591), (543, 37271), (611, 33123), (793, 25521), (1833, 11041), (2353, 8601), (2379, 8507), (2867, 7059)]