20133091923

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{617}}^1\times {\mathrm{1669}}^1$

素因数の和:2329

約数の個数: 64

約数和(自身を含む): 33025920000

約数和(自身を除く): 12892828077

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 399, 617, 931, 1029, 1669, 1851, 2793, 4319, 5007, 6517, 11683, 11723, 12957, 19551, 30233, 31711, 35049, 35169, 81781, 82061, 90699, 95133, 211631, 221977, 245343, 246183, 572467, 574427, 634893, 665931, 1029773, 1553839, 1717401, 1723281, 3089319, 4020989, 4661517, 7208411, 10876873, 12062967, 19565687, 21625233, 32630619, 50458877, 58697061, 136959809, 151376631, 353212139, 410879427, 958718663, 1059636417, 2876155989, 6711030641, 20133091923]

約数ペア:

[(1, 20133091923), (3, 6711030641), (7, 2876155989), (19, 1059636417), (21, 958718663), (49, 410879427), (57, 353212139), (133, 151376631), (147, 136959809), (343, 58697061), (399, 50458877), (617, 32630619), (931, 21625233), (1029, 19565687), (1669, 12062967), (1851, 10876873), (2793, 7208411), (4319, 4661517), (5007, 4020989), (6517, 3089319), (11683, 1723281), (11723, 1717401), (12957, 1553839), (19551, 1029773), (30233, 665931), (31711, 634893), (35049, 574427), (35169, 572467), (81781, 246183), (82061, 245343), (90699, 221977), (95133, 211631)]