20859735

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4651}}^1$

素因数の和:4695

約数の個数: 32

約数和(自身を含む): 37513728

約数和(自身を除く): 16653993

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4485, 4651, 13953, 23255, 60463, 69765, 106973, 181389, 302315, 320919, 534865, 906945, 1390649, 1604595, 4171947, 6953245, 20859735]

約数ペア:

[(1, 20859735), (3, 6953245), (5, 4171947), (13, 1604595), (15, 1390649), (23, 906945), (39, 534865), (65, 320919), (69, 302315), (115, 181389), (195, 106973), (299, 69765), (345, 60463), (897, 23255), (1495, 13953), (4485, 4651)]