20984850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{46633}}^1$

素因数の和:46651

約数の個数: 36

約数和(自身を含む): 56380506

約数和(自身を除く): 35395656

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 450, 46633, 93266, 139899, 233165, 279798, 419697, 466330, 699495, 839394, 1165825, 1398990, 2098485, 2331650, 3497475, 4196970, 6994950, 10492425, 20984850]

約数ペア:

[(1, 20984850), (2, 10492425), (3, 6994950), (5, 4196970), (6, 3497475), (9, 2331650), (10, 2098485), (15, 1398990), (18, 1165825), (25, 839394), (30, 699495), (45, 466330), (50, 419697), (75, 279798), (90, 233165), (150, 139899), (225, 93266), (450, 46633)]