20566668

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{557}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 51184224

約数和(自身を除く): 30617556

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 181, 204, 362, 543, 557, 724, 1086, 1114, 1671, 2172, 2228, 3077, 3342, 6154, 6684, 9231, 9469, 12308, 18462, 18938, 28407, 36924, 37876, 56814, 100817, 113628, 201634, 302451, 403268, 604902, 1209804, 1713889, 3427778, 5141667, 6855556, 10283334, 20566668]

約数ペア:

[(1, 20566668), (2, 10283334), (3, 6855556), (4, 5141667), (6, 3427778), (12, 1713889), (17, 1209804), (34, 604902), (51, 403268), (68, 302451), (102, 201634), (181, 113628), (204, 100817), (362, 56814), (543, 37876), (557, 36924), (724, 28407), (1086, 18938), (1114, 18462), (1671, 12308), (2172, 9469), (2228, 9231), (3077, 6684), (3342, 6154)]