20367516

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{953}}^1$

素因数の和:1110

約数の個数: 48

約数和(自身を含む): 51607584

約数和(自身を除く): 31240068

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 137, 156, 274, 411, 548, 822, 953, 1644, 1781, 1906, 2859, 3562, 3812, 5343, 5718, 7124, 10686, 11436, 12389, 21372, 24778, 37167, 49556, 74334, 130561, 148668, 261122, 391683, 522244, 783366, 1566732, 1697293, 3394586, 5091879, 6789172, 10183758, 20367516]

約数ペア:

[(1, 20367516), (2, 10183758), (3, 6789172), (4, 5091879), (6, 3394586), (12, 1697293), (13, 1566732), (26, 783366), (39, 522244), (52, 391683), (78, 261122), (137, 148668), (156, 130561), (274, 74334), (411, 49556), (548, 37167), (822, 24778), (953, 21372), (1644, 12389), (1781, 11436), (1906, 10686), (2859, 7124), (3562, 5718), (3812, 5343)]