20117550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{3119}}^1$

素因数の和:3177

約数の個数: 48

約数和(自身を含む): 51068160

約数和(自身を除く): 30950610

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 43, 50, 75, 86, 129, 150, 215, 258, 430, 645, 1075, 1290, 2150, 3119, 3225, 6238, 6450, 9357, 15595, 18714, 31190, 46785, 77975, 93570, 134117, 155950, 233925, 268234, 402351, 467850, 670585, 804702, 1341170, 2011755, 3352925, 4023510, 6705850, 10058775, 20117550]

約数ペア:

[(1, 20117550), (2, 10058775), (3, 6705850), (5, 4023510), (6, 3352925), (10, 2011755), (15, 1341170), (25, 804702), (30, 670585), (43, 467850), (50, 402351), (75, 268234), (86, 233925), (129, 155950), (150, 134117), (215, 93570), (258, 77975), (430, 46785), (645, 31190), (1075, 18714), (1290, 15595), (2150, 9357), (3119, 6450), (3225, 6238)]