20189700088

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{621451}}^1$

素因数の和:621619

約数の個数: 32

約数和(自身を含む): 39375198720

約数和(自身を除く): 19185498632

約数列:

[1, 2, 4, 8, 31, 62, 124, 131, 248, 262, 524, 1048, 4061, 8122, 16244, 32488, 621451, 1242902, 2485804, 4971608, 19264981, 38529962, 77059924, 81410081, 154119848, 162820162, 325640324, 651280648, 2523712511, 5047425022, 10094850044, 20189700088]

約数ペア:

[(1, 20189700088), (2, 10094850044), (4, 5047425022), (8, 2523712511), (31, 651280648), (62, 325640324), (124, 162820162), (131, 154119848), (248, 81410081), (262, 77059924), (524, 38529962), (1048, 19264981), (4061, 4971608), (8122, 2485804), (16244, 1242902), (32488, 621451)]