20694648

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3491}}^1$

素因数の和:3532

約数の個数: 64

約数和(自身を含む): 58665600

約数和(自身を除く): 37970952

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 76, 78, 104, 114, 152, 156, 228, 247, 312, 456, 494, 741, 988, 1482, 1976, 2964, 3491, 5928, 6982, 10473, 13964, 20946, 27928, 41892, 45383, 66329, 83784, 90766, 132658, 136149, 181532, 198987, 265316, 272298, 363064, 397974, 530632, 544596, 795948, 862277, 1089192, 1591896, 1724554, 2586831, 3449108, 5173662, 6898216, 10347324, 20694648]

約数ペア:

[(1, 20694648), (2, 10347324), (3, 6898216), (4, 5173662), (6, 3449108), (8, 2586831), (12, 1724554), (13, 1591896), (19, 1089192), (24, 862277), (26, 795948), (38, 544596), (39, 530632), (52, 397974), (57, 363064), (76, 272298), (78, 265316), (104, 198987), (114, 181532), (152, 136149), (156, 132658), (228, 90766), (247, 83784), (312, 66329), (456, 45383), (494, 41892), (741, 27928), (988, 20946), (1482, 13964), (1976, 10473), (2964, 6982), (3491, 5928)]