20805566691

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2011}}^1\times {\mathrm{37897}}^1$

素因数の和:39931

約数の個数: 32

約数和(自身を含む): 34160347648

約数和(自身を除く): 13354780957

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 2011, 6033, 14077, 26143, 37897, 42231, 78429, 113691, 183001, 265279, 492661, 549003, 795837, 1477983, 3448627, 10345881, 76210867, 228632601, 533476069, 990741271, 1600428207, 2972223813, 6935188897, 20805566691]

約数ペア:

[(1, 20805566691), (3, 6935188897), (7, 2972223813), (13, 1600428207), (21, 990741271), (39, 533476069), (91, 228632601), (273, 76210867), (2011, 10345881), (6033, 3448627), (14077, 1477983), (26143, 795837), (37897, 549003), (42231, 492661), (78429, 265279), (113691, 183001)]