20122010

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{983}}^1$

素因数の和:1102

約数の個数: 32

約数和(自身を含む): 38257920

約数和(自身を除く): 18135910

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 983, 1966, 2047, 4094, 4915, 9830, 10235, 20470, 22609, 45218, 87487, 113045, 174974, 226090, 437435, 874870, 2012201, 4024402, 10061005, 20122010]

約数ペア:

[(1, 20122010), (2, 10061005), (5, 4024402), (10, 2012201), (23, 874870), (46, 437435), (89, 226090), (115, 174974), (178, 113045), (230, 87487), (445, 45218), (890, 22609), (983, 20470), (1966, 10235), (2047, 9830), (4094, 4915)]