20473050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{10499}}^1$

素因数の和:10527

約数の個数: 48

約数和(自身を含む): 54684000

約数和(自身を除く): 34210950

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 10499, 20998, 31497, 52495, 62994, 104990, 136487, 157485, 262475, 272974, 314970, 409461, 524950, 682435, 787425, 818922, 1364870, 1574850, 2047305, 3412175, 4094610, 6824350, 10236525, 20473050]

約数ペア:

[(1, 20473050), (2, 10236525), (3, 6824350), (5, 4094610), (6, 3412175), (10, 2047305), (13, 1574850), (15, 1364870), (25, 818922), (26, 787425), (30, 682435), (39, 524950), (50, 409461), (65, 314970), (75, 272974), (78, 262475), (130, 157485), (150, 136487), (195, 104990), (325, 62994), (390, 52495), (650, 31497), (975, 20998), (1950, 10499)]