20353570

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 37635840

約数和(自身を除く): 17282270

約数列:

[1, 2, 5, 10, 71, 109, 142, 218, 263, 355, 526, 545, 710, 1090, 1315, 2630, 7739, 15478, 18673, 28667, 37346, 38695, 57334, 77390, 93365, 143335, 186730, 286670, 2035357, 4070714, 10176785, 20353570]

約数ペア:

[(1, 20353570), (2, 10176785), (5, 4070714), (10, 2035357), (71, 286670), (109, 186730), (142, 143335), (218, 93365), (263, 77390), (355, 57334), (526, 38695), (545, 37346), (710, 28667), (1090, 18673), (1315, 15478), (2630, 7739)]