20375821431

素因数分解:

$3^5\times 7^1\times {\mathrm{11978731}}^1$

素因数の和:11978753

約数の個数: 24

約数和(自身を含む): 34882067584

約数和(自身を除く): 14506246153

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 11978731, 35936193, 83851117, 107808579, 251553351, 323425737, 754660053, 970277211, 2263980159, 2910831633, 6791940477, 20375821431]

約数ペア:

[(1, 20375821431), (3, 6791940477), (7, 2910831633), (9, 2263980159), (21, 970277211), (27, 754660053), (63, 323425737), (81, 251553351), (189, 107808579), (243, 83851117), (567, 35936193), (1701, 11978731)]