16620340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2437}}^1$

素因数の和:2488

約数の個数: 48

約数和(自身を含む): 39320064

約数和(自身を除く): 22699724

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 2437, 3410, 4874, 6820, 9748, 12185, 24370, 26807, 48740, 53614, 75547, 107228, 134035, 151094, 268070, 302188, 377735, 536140, 755470, 831017, 1510940, 1662034, 3324068, 4155085, 8310170, 16620340]

約数ペア:

[(1, 16620340), (2, 8310170), (4, 4155085), (5, 3324068), (10, 1662034), (11, 1510940), (20, 831017), (22, 755470), (31, 536140), (44, 377735), (55, 302188), (62, 268070), (110, 151094), (124, 134035), (155, 107228), (220, 75547), (310, 53614), (341, 48740), (620, 26807), (682, 24370), (1364, 12185), (1705, 9748), (2437, 6820), (3410, 4874)]