20228467820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{269641}}^1$

素因数の和:269703

約数の個数: 72

約数和(自身を含む): 48199046784

約数和(自身を除く): 27970578964

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 121, 124, 155, 220, 242, 310, 341, 484, 605, 620, 682, 1210, 1364, 1705, 2420, 3410, 3751, 6820, 7502, 15004, 18755, 37510, 75020, 269641, 539282, 1078564, 1348205, 2696410, 2966051, 5392820, 5932102, 8358871, 11864204, 14830255, 16717742, 29660510, 32626561, 33435484, 41794355, 59321020, 65253122, 83588710, 91947581, 130506244, 163132805, 167177420, 183895162, 326265610, 367790324, 459737905, 652531220, 919475810, 1011423391, 1838951620, 2022846782, 4045693564, 5057116955, 10114233910, 20228467820]

約数ペア:

[(1, 20228467820), (2, 10114233910), (4, 5057116955), (5, 4045693564), (10, 2022846782), (11, 1838951620), (20, 1011423391), (22, 919475810), (31, 652531220), (44, 459737905), (55, 367790324), (62, 326265610), (110, 183895162), (121, 167177420), (124, 163132805), (155, 130506244), (220, 91947581), (242, 83588710), (310, 65253122), (341, 59321020), (484, 41794355), (605, 33435484), (620, 32626561), (682, 29660510), (1210, 16717742), (1364, 14830255), (1705, 11864204), (2420, 8358871), (3410, 5932102), (3751, 5392820), (6820, 2966051), (7502, 2696410), (15004, 1348205), (18755, 1078564), (37510, 539282), (75020, 269641)]