20403698

素因数分解:

$2^1\times 7^5\times {\mathrm{607}}^1$

素因数の和:644

約数の個数: 24

約数和(自身を含む): 35764992

約数和(自身を除く): 15361294

約数列:

[1, 2, 7, 14, 49, 98, 343, 607, 686, 1214, 2401, 4249, 4802, 8498, 16807, 29743, 33614, 59486, 208201, 416402, 1457407, 2914814, 10201849, 20403698]

約数ペア:

[(1, 20403698), (2, 10201849), (7, 2914814), (14, 1457407), (49, 416402), (98, 208201), (343, 59486), (607, 33614), (686, 29743), (1214, 16807), (2401, 8498), (4249, 4802)]