20474922

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 46884096

約数和(自身を除く): 26409174

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 101, 113, 138, 202, 226, 299, 303, 339, 598, 606, 678, 897, 1313, 1469, 1794, 2323, 2599, 2626, 2938, 3939, 4407, 4646, 5198, 6969, 7797, 7878, 8814, 11413, 13938, 15594, 22826, 30199, 33787, 34239, 60398, 67574, 68478, 90597, 101361, 148369, 181194, 202722, 262499, 296738, 445107, 524998, 787497, 890214, 1574994, 3412487, 6824974, 10237461, 20474922]

約数ペア:

[(1, 20474922), (2, 10237461), (3, 6824974), (6, 3412487), (13, 1574994), (23, 890214), (26, 787497), (39, 524998), (46, 445107), (69, 296738), (78, 262499), (101, 202722), (113, 181194), (138, 148369), (202, 101361), (226, 90597), (299, 68478), (303, 67574), (339, 60398), (598, 34239), (606, 33787), (678, 30199), (897, 22826), (1313, 15594), (1469, 13938), (1794, 11413), (2323, 8814), (2599, 7878), (2626, 7797), (2938, 6969), (3939, 5198), (4407, 4646)]