20637288

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13649}}^1$

素因数の和:13671

約数の個数: 64

約数和(自身を含む): 65520000

約数和(自身を除く): 44882712

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 13649, 27298, 40947, 54596, 81894, 95543, 109192, 122841, 163788, 191086, 245682, 286629, 327576, 368523, 382172, 491364, 573258, 737046, 764344, 859887, 982728, 1146516, 1474092, 1719774, 2293032, 2579661, 2948184, 3439548, 5159322, 6879096, 10318644, 20637288]

約数ペア:

[(1, 20637288), (2, 10318644), (3, 6879096), (4, 5159322), (6, 3439548), (7, 2948184), (8, 2579661), (9, 2293032), (12, 1719774), (14, 1474092), (18, 1146516), (21, 982728), (24, 859887), (27, 764344), (28, 737046), (36, 573258), (42, 491364), (54, 382172), (56, 368523), (63, 327576), (72, 286629), (84, 245682), (108, 191086), (126, 163788), (168, 122841), (189, 109192), (216, 95543), (252, 81894), (378, 54596), (504, 40947), (756, 27298), (1512, 13649)]