20132331639

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{42283}}^1$

素因数の和:42420

約数の個数: 48

約数和(自身を含む): 32392926720

約数和(自身を除く): 12260595081

約数列:

[1, 3, 7, 21, 41, 49, 79, 123, 147, 237, 287, 553, 861, 1659, 2009, 3239, 3871, 6027, 9717, 11613, 22673, 42283, 68019, 126849, 158711, 295981, 476133, 887943, 1733603, 2071867, 3340357, 5200809, 6215601, 10021071, 12135221, 23382499, 36405663, 70147497, 84946547, 136954637, 163677493, 254839641, 410863911, 491032479, 958682459, 2876047377, 6710777213, 20132331639]

約数ペア:

[(1, 20132331639), (3, 6710777213), (7, 2876047377), (21, 958682459), (41, 491032479), (49, 410863911), (79, 254839641), (123, 163677493), (147, 136954637), (237, 84946547), (287, 70147497), (553, 36405663), (861, 23382499), (1659, 12135221), (2009, 10021071), (3239, 6215601), (3871, 5200809), (6027, 3340357), (9717, 2071867), (11613, 1733603), (22673, 887943), (42283, 476133), (68019, 295981), (126849, 158711)]