20854549912

素因数分解:

$2^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2284679}}^1$

素因数の和:2284855

約数の個数: 32

約数和(自身を含む): 44962502400

約数和(自身を除く): 24107952488

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 163, 326, 652, 1141, 1304, 2282, 4564, 9128, 2284679, 4569358, 9138716, 15992753, 18277432, 31985506, 63971012, 127942024, 372402677, 744805354, 1489610708, 2606818739, 2979221416, 5213637478, 10427274956, 20854549912]

約数ペア:

[(1, 20854549912), (2, 10427274956), (4, 5213637478), (7, 2979221416), (8, 2606818739), (14, 1489610708), (28, 744805354), (56, 372402677), (163, 127942024), (326, 63971012), (652, 31985506), (1141, 18277432), (1304, 15992753), (2282, 9138716), (4564, 4569358), (9128, 2284679)]