20572836105

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{839879}}^1$

素因数の和:839981

約数の個数: 32

約数和(自身を含む): 34831503360

約数和(自身を除く): 14258667255

約数列:

[1, 3, 5, 15, 23, 69, 71, 115, 213, 345, 355, 1065, 1633, 4899, 8165, 24495, 839879, 2519637, 4199395, 12598185, 19317217, 57951651, 59631409, 96586085, 178894227, 289758255, 298157045, 894471135, 1371522407, 4114567221, 6857612035, 20572836105]

約数ペア:

[(1, 20572836105), (3, 6857612035), (5, 4114567221), (15, 1371522407), (23, 894471135), (69, 298157045), (71, 289758255), (115, 178894227), (213, 96586085), (345, 59631409), (355, 57951651), (1065, 19317217), (1633, 12598185), (4899, 4199395), (8165, 2519637), (24495, 839879)]