20982444

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{569}}^1$

素因数の和:1022

約数の個数: 48

約数和(自身を含む): 56179200

約数和(自身を除く): 35196756

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 439, 569, 878, 1138, 1317, 1707, 1756, 2276, 2634, 3073, 3414, 3983, 5268, 6146, 6828, 7966, 9219, 11949, 12292, 15932, 18438, 23898, 36876, 47796, 249791, 499582, 749373, 999164, 1498746, 1748537, 2997492, 3497074, 5245611, 6994148, 10491222, 20982444]

約数ペア:

[(1, 20982444), (2, 10491222), (3, 6994148), (4, 5245611), (6, 3497074), (7, 2997492), (12, 1748537), (14, 1498746), (21, 999164), (28, 749373), (42, 499582), (84, 249791), (439, 47796), (569, 36876), (878, 23898), (1138, 18438), (1317, 15932), (1707, 12292), (1756, 11949), (2276, 9219), (2634, 7966), (3073, 6828), (3414, 6146), (3983, 5268)]