20199448875

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2377}}^1$

素因数の和:2486

約数の個数: 128

約数和(自身を含む): 37607251968

約数和(自身を除く): 17407803093

約数列:

[1, 3, 5, 15, 17, 25, 31, 43, 51, 75, 85, 93, 125, 129, 155, 215, 255, 375, 425, 465, 527, 645, 731, 775, 1075, 1275, 1333, 1581, 2125, 2193, 2325, 2377, 2635, 3225, 3655, 3875, 3999, 5375, 6375, 6665, 7131, 7905, 10965, 11625, 11885, 13175, 16125, 18275, 19995, 22661, 33325, 35655, 39525, 40409, 54825, 59425, 65875, 67983, 73687, 91375, 99975, 102211, 113305, 121227, 166625, 178275, 197625, 202045, 221061, 274125, 297125, 306633, 339915, 368435, 499875, 511055, 566525, 606135, 891375, 1010225, 1105305, 1252679, 1533165, 1699575, 1737587, 1842175, 2555275, 2832625, 3030675, 3168541, 3758037, 5051125, 5212761, 5526525, 6263395, 7665825, 8497875, 8687935, 9210875, 9505623, 12776375, 15153375, 15842705, 18790185, 26063805, 27632625, 31316975, 38329125, 43439675, 47528115, 53865197, 79213525, 93950925, 130319025, 156584875, 161595591, 217198375, 237640575, 269325985, 396067625, 469754625, 651595125, 807977955, 1188202875, 1346629925, 4039889775, 6733149625, 20199448875]

約数ペア:

[(1, 20199448875), (3, 6733149625), (5, 4039889775), (15, 1346629925), (17, 1188202875), (25, 807977955), (31, 651595125), (43, 469754625), (51, 396067625), (75, 269325985), (85, 237640575), (93, 217198375), (125, 161595591), (129, 156584875), (155, 130319025), (215, 93950925), (255, 79213525), (375, 53865197), (425, 47528115), (465, 43439675), (527, 38329125), (645, 31316975), (731, 27632625), (775, 26063805), (1075, 18790185), (1275, 15842705), (1333, 15153375), (1581, 12776375), (2125, 9505623), (2193, 9210875), (2325, 8687935), (2377, 8497875), (2635, 7665825), (3225, 6263395), (3655, 5526525), (3875, 5212761), (3999, 5051125), (5375, 3758037), (6375, 3168541), (6665, 3030675), (7131, 2832625), (7905, 2555275), (10965, 1842175), (11625, 1737587), (11885, 1699575), (13175, 1533165), (16125, 1252679), (18275, 1105305), (19995, 1010225), (22661, 891375), (33325, 606135), (35655, 566525), (39525, 511055), (40409, 499875), (54825, 368435), (59425, 339915), (65875, 306633), (67983, 297125), (73687, 274125), (91375, 221061), (99975, 202045), (102211, 197625), (113305, 178275), (121227, 166625)]