20366553625

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{541}}^1$

素因数の和:728

約数の個数: 96

約数和(自身を含む): 29687898240

約数和(自身を除く): 9321344615

約数列:

[1, 5, 11, 19, 25, 55, 95, 121, 125, 131, 209, 275, 475, 541, 605, 655, 1045, 1375, 1441, 2299, 2375, 2489, 2705, 3025, 3275, 5225, 5951, 7205, 10279, 11495, 12445, 13525, 15125, 15851, 16375, 26125, 27379, 29755, 36025, 51395, 57475, 62225, 65461, 67625, 70871, 79255, 113069, 136895, 148775, 180125, 256975, 287375, 301169, 311125, 327305, 354355, 396275, 565345, 684475, 743875, 779581, 1243759, 1284875, 1346549, 1505845, 1636525, 1771775, 1981375, 2826725, 3422375, 3897905, 6218795, 6732745, 7529225, 8182625, 8575391, 8858875, 14133625, 14812039, 19489525, 31093975, 33663725, 37646125, 42876955, 74060195, 97447625, 155469875, 162932429, 168318625, 214384775, 370300975, 814662145, 1071923875, 1851504875, 4073310725, 20366553625]

約数ペア:

[(1, 20366553625), (5, 4073310725), (11, 1851504875), (19, 1071923875), (25, 814662145), (55, 370300975), (95, 214384775), (121, 168318625), (125, 162932429), (131, 155469875), (209, 97447625), (275, 74060195), (475, 42876955), (541, 37646125), (605, 33663725), (655, 31093975), (1045, 19489525), (1375, 14812039), (1441, 14133625), (2299, 8858875), (2375, 8575391), (2489, 8182625), (2705, 7529225), (3025, 6732745), (3275, 6218795), (5225, 3897905), (5951, 3422375), (7205, 2826725), (10279, 1981375), (11495, 1771775), (12445, 1636525), (13525, 1505845), (15125, 1346549), (15851, 1284875), (16375, 1243759), (26125, 779581), (27379, 743875), (29755, 684475), (36025, 565345), (51395, 396275), (57475, 354355), (62225, 327305), (65461, 311125), (67625, 301169), (70871, 287375), (79255, 256975), (113069, 180125), (136895, 148775)]