20817654

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1277}}^1$

素因数の和:1325

約数の個数: 64

約数和(自身を含む): 51528960

約数和(自身を除く): 30711306

約数列:

[1, 2, 3, 6, 11, 13, 19, 22, 26, 33, 38, 39, 57, 66, 78, 114, 143, 209, 247, 286, 418, 429, 494, 627, 741, 858, 1254, 1277, 1482, 2554, 2717, 3831, 5434, 7662, 8151, 14047, 16302, 16601, 24263, 28094, 33202, 42141, 48526, 49803, 72789, 84282, 99606, 145578, 182611, 266893, 315419, 365222, 533786, 547833, 630838, 800679, 946257, 1095666, 1601358, 1892514, 3469609, 6939218, 10408827, 20817654]

約数ペア:

[(1, 20817654), (2, 10408827), (3, 6939218), (6, 3469609), (11, 1892514), (13, 1601358), (19, 1095666), (22, 946257), (26, 800679), (33, 630838), (38, 547833), (39, 533786), (57, 365222), (66, 315419), (78, 266893), (114, 182611), (143, 145578), (209, 99606), (247, 84282), (286, 72789), (418, 49803), (429, 48526), (494, 42141), (627, 33202), (741, 28094), (858, 24263), (1254, 16601), (1277, 16302), (1482, 14047), (2554, 8151), (2717, 7662), (3831, 5434)]