20469560

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{3389}}^1$

素因数の和:3551

約数の個数: 32

約数和(自身を含む): 46375200

約数和(自身を除く): 25905640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 3389, 6040, 6778, 13556, 16945, 27112, 33890, 67780, 135560, 511739, 1023478, 2046956, 2558695, 4093912, 5117390, 10234780, 20469560]

約数ペア:

[(1, 20469560), (2, 10234780), (4, 5117390), (5, 4093912), (8, 2558695), (10, 2046956), (20, 1023478), (40, 511739), (151, 135560), (302, 67780), (604, 33890), (755, 27112), (1208, 16945), (1510, 13556), (3020, 6778), (3389, 6040)]