20634950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:174

約数の個数: 96

約数和(自身を含む): 48211200

約数和(自身を除く): 27576250

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 29, 35, 38, 50, 58, 70, 95, 107, 133, 145, 175, 190, 203, 214, 266, 290, 350, 406, 475, 535, 551, 665, 725, 749, 950, 1015, 1070, 1102, 1330, 1450, 1498, 2030, 2033, 2675, 2755, 3103, 3325, 3745, 3857, 4066, 5075, 5350, 5510, 6206, 6650, 7490, 7714, 10150, 10165, 13775, 14231, 15515, 18725, 19285, 20330, 21721, 27550, 28462, 31030, 37450, 38570, 43442, 50825, 58957, 71155, 77575, 96425, 101650, 108605, 117914, 142310, 155150, 192850, 217210, 294785, 355775, 412699, 543025, 589570, 711550, 825398, 1086050, 1473925, 2063495, 2947850, 4126990, 10317475, 20634950]

約数ペア:

[(1, 20634950), (2, 10317475), (5, 4126990), (7, 2947850), (10, 2063495), (14, 1473925), (19, 1086050), (25, 825398), (29, 711550), (35, 589570), (38, 543025), (50, 412699), (58, 355775), (70, 294785), (95, 217210), (107, 192850), (133, 155150), (145, 142310), (175, 117914), (190, 108605), (203, 101650), (214, 96425), (266, 77575), (290, 71155), (350, 58957), (406, 50825), (475, 43442), (535, 38570), (551, 37450), (665, 31030), (725, 28462), (749, 27550), (950, 21721), (1015, 20330), (1070, 19285), (1102, 18725), (1330, 15515), (1450, 14231), (1498, 13775), (2030, 10165), (2033, 10150), (2675, 7714), (2755, 7490), (3103, 6650), (3325, 6206), (3745, 5510), (3857, 5350), (4066, 5075)]