20157316

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1091}}^1$

素因数の和:1275

約数の個数: 24

約数和(自身を含む): 36691200

約数和(自身を除く): 16533884

約数列:

[1, 2, 4, 31, 62, 124, 149, 298, 596, 1091, 2182, 4364, 4619, 9238, 18476, 33821, 67642, 135284, 162559, 325118, 650236, 5039329, 10078658, 20157316]

約数ペア:

[(1, 20157316), (2, 10078658), (4, 5039329), (31, 650236), (62, 325118), (124, 162559), (149, 135284), (298, 67642), (596, 33821), (1091, 18476), (2182, 9238), (4364, 4619)]