20843640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{57899}}^1$

素因数の和:57916

約数の個数: 48

約数和(自身を含む): 67743000

約数和(自身を除く): 46899360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 57899, 115798, 173697, 231596, 289495, 347394, 463192, 521091, 578990, 694788, 868485, 1042182, 1157980, 1389576, 1736970, 2084364, 2315960, 2605455, 3473940, 4168728, 5210910, 6947880, 10421820, 20843640]

約数ペア:

[(1, 20843640), (2, 10421820), (3, 6947880), (4, 5210910), (5, 4168728), (6, 3473940), (8, 2605455), (9, 2315960), (10, 2084364), (12, 1736970), (15, 1389576), (18, 1157980), (20, 1042182), (24, 868485), (30, 694788), (36, 578990), (40, 521091), (45, 463192), (60, 347394), (72, 289495), (90, 231596), (120, 173697), (180, 115798), (360, 57899)]