20189537505

素因数分解:

$3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{563}}^1\times {\mathrm{1597}}^1$

素因数の和:2670

約数の個数: 48

約数和(自身を含む): 35149608000

約数和(自身を除く): 14960070495

約数列:

[1, 3, 5, 9, 15, 45, 499, 563, 1497, 1597, 1689, 2495, 2815, 4491, 4791, 5067, 7485, 7985, 8445, 14373, 22455, 23955, 25335, 71865, 280937, 796903, 842811, 899111, 1404685, 2390709, 2528433, 2697333, 3984515, 4214055, 4495555, 7172127, 8091999, 11953545, 12642165, 13486665, 35860635, 40459995, 448656389, 1345969167, 2243281945, 4037907501, 6729845835, 20189537505]

約数ペア:

[(1, 20189537505), (3, 6729845835), (5, 4037907501), (9, 2243281945), (15, 1345969167), (45, 448656389), (499, 40459995), (563, 35860635), (1497, 13486665), (1597, 12642165), (1689, 11953545), (2495, 8091999), (2815, 7172127), (4491, 4495555), (4791, 4214055), (5067, 3984515), (7485, 2697333), (7985, 2528433), (8445, 2390709), (14373, 1404685), (22455, 899111), (23955, 842811), (25335, 796903), (71865, 280937)]