20356364

素因数分解:

$2^2\times 7^3\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:463

約数の個数: 48

約数和(自身を含む): 42772800

約数和(自身を除く): 22416436

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 343, 401, 518, 686, 802, 1036, 1372, 1604, 1813, 2807, 3626, 5614, 7252, 11228, 12691, 14837, 19649, 25382, 29674, 39298, 50764, 59348, 78596, 103859, 137543, 207718, 275086, 415436, 550172, 727013, 1454026, 2908052, 5089091, 10178182, 20356364]

約数ペア:

[(1, 20356364), (2, 10178182), (4, 5089091), (7, 2908052), (14, 1454026), (28, 727013), (37, 550172), (49, 415436), (74, 275086), (98, 207718), (148, 137543), (196, 103859), (259, 78596), (343, 59348), (401, 50764), (518, 39298), (686, 29674), (802, 25382), (1036, 19649), (1372, 14837), (1604, 12691), (1813, 11228), (2807, 7252), (3626, 5614)]