20532100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:229

約数の個数: 72

約数和(自身を含む): 47496960

約数和(自身を除く): 26964860

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 79, 92, 100, 113, 115, 158, 226, 230, 316, 395, 452, 460, 565, 575, 790, 1130, 1150, 1580, 1817, 1975, 2260, 2300, 2599, 2825, 3634, 3950, 5198, 5650, 7268, 7900, 8927, 9085, 10396, 11300, 12995, 17854, 18170, 25990, 35708, 36340, 44635, 45425, 51980, 64975, 89270, 90850, 129950, 178540, 181700, 205321, 223175, 259900, 410642, 446350, 821284, 892700, 1026605, 2053210, 4106420, 5133025, 10266050, 20532100]

約数ペア:

[(1, 20532100), (2, 10266050), (4, 5133025), (5, 4106420), (10, 2053210), (20, 1026605), (23, 892700), (25, 821284), (46, 446350), (50, 410642), (79, 259900), (92, 223175), (100, 205321), (113, 181700), (115, 178540), (158, 129950), (226, 90850), (230, 89270), (316, 64975), (395, 51980), (452, 45425), (460, 44635), (565, 36340), (575, 35708), (790, 25990), (1130, 18170), (1150, 17854), (1580, 12995), (1817, 11300), (1975, 10396), (2260, 9085), (2300, 8927), (2599, 7900), (2825, 7268), (3634, 5650), (3950, 5198)]