20736300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{409}}^1$

素因数の和:452

約数の個数: 108

約数和(自身を含む): 65126040

約数和(自身を除く): 44389740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 169, 195, 260, 300, 325, 338, 390, 409, 507, 650, 676, 780, 818, 845, 975, 1014, 1227, 1300, 1636, 1690, 1950, 2028, 2045, 2454, 2535, 3380, 3900, 4090, 4225, 4908, 5070, 5317, 6135, 8180, 8450, 10140, 10225, 10634, 12270, 12675, 15951, 16900, 20450, 21268, 24540, 25350, 26585, 30675, 31902, 40900, 50700, 53170, 61350, 63804, 69121, 79755, 106340, 122700, 132925, 138242, 159510, 207363, 265850, 276484, 319020, 345605, 398775, 414726, 531700, 691210, 797550, 829452, 1036815, 1382420, 1595100, 1728025, 2073630, 3456050, 4147260, 5184075, 6912100, 10368150, 20736300]

約数ペア:

[(1, 20736300), (2, 10368150), (3, 6912100), (4, 5184075), (5, 4147260), (6, 3456050), (10, 2073630), (12, 1728025), (13, 1595100), (15, 1382420), (20, 1036815), (25, 829452), (26, 797550), (30, 691210), (39, 531700), (50, 414726), (52, 398775), (60, 345605), (65, 319020), (75, 276484), (78, 265850), (100, 207363), (130, 159510), (150, 138242), (156, 132925), (169, 122700), (195, 106340), (260, 79755), (300, 69121), (325, 63804), (338, 61350), (390, 53170), (409, 50700), (507, 40900), (650, 31902), (676, 30675), (780, 26585), (818, 25350), (845, 24540), (975, 21268), (1014, 20450), (1227, 16900), (1300, 15951), (1636, 12675), (1690, 12270), (1950, 10634), (2028, 10225), (2045, 10140), (2454, 8450), (2535, 8180), (3380, 6135), (3900, 5317), (4090, 5070), (4225, 4908)]