20358650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31321}}^1$

素因数の和:31346

約数の個数: 24

約数和(自身を含む): 40781244

約数和(自身を除く): 20422594

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 31321, 62642, 156605, 313210, 407173, 783025, 814346, 1566050, 2035865, 4071730, 10179325, 20358650]

約数ペア:

[(1, 20358650), (2, 10179325), (5, 4071730), (10, 2035865), (13, 1566050), (25, 814346), (26, 783025), (50, 407173), (65, 313210), (130, 156605), (325, 62642), (650, 31321)]