20789430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{10343}}^1$

素因数の和:10420

約数の個数: 32

約数和(自身を含む): 50644224

約数和(自身を除く): 29854794

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 10343, 20686, 31029, 51715, 62058, 103430, 155145, 310290, 692981, 1385962, 2078943, 3464905, 4157886, 6929810, 10394715, 20789430]

約数ペア:

[(1, 20789430), (2, 10394715), (3, 6929810), (5, 4157886), (6, 3464905), (10, 2078943), (15, 1385962), (30, 692981), (67, 310290), (134, 155145), (201, 103430), (335, 62058), (402, 51715), (670, 31029), (1005, 20686), (2010, 10343)]