20470350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{239}}^1\times {\mathrm{571}}^1$

素因数の和:825

約数の個数: 48

約数和(自身を含む): 51068160

約数和(自身を除く): 30597810

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 239, 478, 571, 717, 1142, 1195, 1434, 1713, 2390, 2855, 3426, 3585, 5710, 5975, 7170, 8565, 11950, 14275, 17130, 17925, 28550, 35850, 42825, 85650, 136469, 272938, 409407, 682345, 818814, 1364690, 2047035, 3411725, 4094070, 6823450, 10235175, 20470350]

約数ペア:

[(1, 20470350), (2, 10235175), (3, 6823450), (5, 4094070), (6, 3411725), (10, 2047035), (15, 1364690), (25, 818814), (30, 682345), (50, 409407), (75, 272938), (150, 136469), (239, 85650), (478, 42825), (571, 35850), (717, 28550), (1142, 17925), (1195, 17130), (1434, 14275), (1713, 11950), (2390, 8565), (2855, 7170), (3426, 5975), (3585, 5710)]