20586015

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4919}}^1$

素因数の和:4964

約数の個数: 32

約数和(自身を含む): 37785600

約数和(自身を除く): 17199585

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 4919, 14757, 24595, 44271, 73785, 132813, 152489, 221355, 457467, 664065, 762445, 1372401, 2287335, 4117203, 6862005, 20586015]

約数ペア:

[(1, 20586015), (3, 6862005), (5, 4117203), (9, 2287335), (15, 1372401), (27, 762445), (31, 664065), (45, 457467), (93, 221355), (135, 152489), (155, 132813), (279, 73785), (465, 44271), (837, 24595), (1395, 14757), (4185, 4919)]