20389677

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1447}}^1$

素因数の和:1529

約数の個数: 32

約数和(自身を含む): 34473984

約数和(自身を除く): 14084307

約数列:

[1, 3, 7, 11, 21, 33, 61, 77, 183, 231, 427, 671, 1281, 1447, 2013, 4341, 4697, 10129, 14091, 15917, 30387, 47751, 88267, 111419, 264801, 334257, 617869, 970937, 1853607, 2912811, 6796559, 20389677]

約数ペア:

[(1, 20389677), (3, 6796559), (7, 2912811), (11, 1853607), (21, 970937), (33, 617869), (61, 334257), (77, 264801), (183, 111419), (231, 88267), (427, 47751), (671, 30387), (1281, 15917), (1447, 14091), (2013, 10129), (4341, 4697)]