20477964

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{881}}^1$

素因数の和:1050

約数の個数: 48

約数和(自身を含む): 51861600

約数和(自身を除く): 31383636

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 149, 156, 298, 447, 596, 881, 894, 1762, 1788, 1937, 2643, 3524, 3874, 5286, 5811, 7748, 10572, 11453, 11622, 22906, 23244, 34359, 45812, 68718, 131269, 137436, 262538, 393807, 525076, 787614, 1575228, 1706497, 3412994, 5119491, 6825988, 10238982, 20477964]

約数ペア:

[(1, 20477964), (2, 10238982), (3, 6825988), (4, 5119491), (6, 3412994), (12, 1706497), (13, 1575228), (26, 787614), (39, 525076), (52, 393807), (78, 262538), (149, 137436), (156, 131269), (298, 68718), (447, 45812), (596, 34359), (881, 23244), (894, 22906), (1762, 11622), (1788, 11453), (1937, 10572), (2643, 7748), (3524, 5811), (3874, 5286)]