20525232015

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1\times {\mathrm{379}}^1$

素因数の和:777

約数の個数: 96

約数和(自身を含む): 36972936000

約数和(自身を除く): 16447703985

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 149, 197, 205, 369, 379, 447, 591, 615, 745, 985, 1137, 1341, 1773, 1845, 1895, 2235, 2955, 3411, 5685, 6109, 6705, 8077, 8865, 15539, 17055, 18327, 24231, 29353, 30545, 40385, 46617, 54981, 56471, 72693, 74663, 77695, 88059, 91635, 121155, 139851, 146765, 169413, 223989, 233085, 264177, 274905, 282355, 363465, 373315, 440295, 508239, 671967, 699255, 847065, 1119945, 1203473, 1320885, 2315311, 2541195, 3061183, 3359835, 3610419, 6017365, 6945933, 9183549, 10831257, 11124787, 11576555, 15305915, 18052095, 20837799, 27550647, 33374361, 34729665, 45917745, 54156285, 55623935, 100123083, 104188995, 137753235, 166871805, 456116267, 500615415, 1368348801, 2280581335, 4105046403, 6841744005, 20525232015]

約数ペア:

[(1, 20525232015), (3, 6841744005), (5, 4105046403), (9, 2280581335), (15, 1368348801), (41, 500615415), (45, 456116267), (123, 166871805), (149, 137753235), (197, 104188995), (205, 100123083), (369, 55623935), (379, 54156285), (447, 45917745), (591, 34729665), (615, 33374361), (745, 27550647), (985, 20837799), (1137, 18052095), (1341, 15305915), (1773, 11576555), (1845, 11124787), (1895, 10831257), (2235, 9183549), (2955, 6945933), (3411, 6017365), (5685, 3610419), (6109, 3359835), (6705, 3061183), (8077, 2541195), (8865, 2315311), (15539, 1320885), (17055, 1203473), (18327, 1119945), (24231, 847065), (29353, 699255), (30545, 671967), (40385, 508239), (46617, 440295), (54981, 373315), (56471, 363465), (72693, 282355), (74663, 274905), (77695, 264177), (88059, 233085), (91635, 223989), (121155, 169413), (139851, 146765)]