20162648

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 44928000

約数和(自身を除く): 24765352

約数列:

[1, 2, 4, 8, 11, 19, 22, 31, 38, 44, 62, 76, 88, 124, 152, 209, 248, 341, 389, 418, 589, 682, 778, 836, 1178, 1364, 1556, 1672, 2356, 2728, 3112, 4279, 4712, 6479, 7391, 8558, 12059, 12958, 14782, 17116, 24118, 25916, 29564, 34232, 48236, 51832, 59128, 81301, 96472, 132649, 162602, 229121, 265298, 325204, 458242, 530596, 650408, 916484, 1061192, 1832968, 2520331, 5040662, 10081324, 20162648]

約数ペア:

[(1, 20162648), (2, 10081324), (4, 5040662), (8, 2520331), (11, 1832968), (19, 1061192), (22, 916484), (31, 650408), (38, 530596), (44, 458242), (62, 325204), (76, 265298), (88, 229121), (124, 162602), (152, 132649), (209, 96472), (248, 81301), (341, 59128), (389, 51832), (418, 48236), (589, 34232), (682, 29564), (778, 25916), (836, 24118), (1178, 17116), (1364, 14782), (1556, 12958), (1672, 12059), (2356, 8558), (2728, 7391), (3112, 6479), (4279, 4712)]