20120840154

素因数分解:

$2^1\times 3^4\times {\mathrm{47}}^1\times {\mathrm{617}}^1\times {\mathrm{4283}}^1$

素因数の和:4961

約数の個数: 80

約数和(自身を含む): 46130249088

約数和(自身を除く): 26009408934

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 81, 94, 141, 162, 282, 423, 617, 846, 1234, 1269, 1851, 2538, 3702, 3807, 4283, 5553, 7614, 8566, 11106, 12849, 16659, 25698, 28999, 33318, 38547, 49977, 57998, 77094, 86997, 99954, 115641, 173994, 201301, 231282, 260991, 346923, 402602, 521982, 603903, 693846, 782973, 1207806, 1565946, 1811709, 2348919, 2642611, 3623418, 4697838, 5285222, 5435127, 7927833, 10870254, 15855666, 16305381, 23783499, 32610762, 47566998, 71350497, 124202717, 142700994, 214051491, 248405434, 372608151, 428102982, 745216302, 1117824453, 2235648906, 3353473359, 6706946718, 10060420077, 20120840154]

約数ペア:

[(1, 20120840154), (2, 10060420077), (3, 6706946718), (6, 3353473359), (9, 2235648906), (18, 1117824453), (27, 745216302), (47, 428102982), (54, 372608151), (81, 248405434), (94, 214051491), (141, 142700994), (162, 124202717), (282, 71350497), (423, 47566998), (617, 32610762), (846, 23783499), (1234, 16305381), (1269, 15855666), (1851, 10870254), (2538, 7927833), (3702, 5435127), (3807, 5285222), (4283, 4697838), (5553, 3623418), (7614, 2642611), (8566, 2348919), (11106, 1811709), (12849, 1565946), (16659, 1207806), (25698, 782973), (28999, 693846), (33318, 603903), (38547, 521982), (49977, 402602), (57998, 346923), (77094, 260991), (86997, 231282), (99954, 201301), (115641, 173994)]