20757730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12893}}^1$

素因数の和:12930

約数の個数: 32

約数和(自身を含む): 44561664

約数和(自身を除く): 23803934

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 12893, 25786, 64465, 90251, 128930, 180502, 296539, 451255, 593078, 902510, 1482695, 2075773, 2965390, 4151546, 10378865, 20757730]

約数ペア:

[(1, 20757730), (2, 10378865), (5, 4151546), (7, 2965390), (10, 2075773), (14, 1482695), (23, 902510), (35, 593078), (46, 451255), (70, 296539), (115, 180502), (161, 128930), (230, 90251), (322, 64465), (805, 25786), (1610, 12893)]