20353138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:430

約数の個数: 32

約数和(自身を含む): 34341552

約数和(自身を除く): 13988414

約数列:

[1, 2, 13, 26, 41, 61, 82, 122, 313, 533, 626, 793, 1066, 1586, 2501, 4069, 5002, 8138, 12833, 19093, 25666, 32513, 38186, 65026, 166829, 248209, 333658, 496418, 782813, 1565626, 10176569, 20353138]

約数ペア:

[(1, 20353138), (2, 10176569), (13, 1565626), (26, 782813), (41, 496418), (61, 333658), (82, 248209), (122, 166829), (313, 65026), (533, 38186), (626, 32513), (793, 25666), (1066, 19093), (1586, 12833), (2501, 8138), (4069, 5002)]