20194178280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{65557}}^1$

素因数の和:65739

約数の個数: 128

約数和(自身を含む): 64572007680

約数和(自身を除く): 44377829400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 151, 170, 204, 255, 302, 340, 408, 453, 510, 604, 680, 755, 906, 1020, 1208, 1510, 1812, 2040, 2265, 2567, 3020, 3624, 4530, 5134, 6040, 7701, 9060, 10268, 12835, 15402, 18120, 20536, 25670, 30804, 38505, 51340, 61608, 65557, 77010, 102680, 131114, 154020, 196671, 262228, 308040, 327785, 393342, 524456, 655570, 786684, 983355, 1114469, 1311140, 1573368, 1966710, 2228938, 2622280, 3343407, 3933420, 4457876, 5572345, 6686814, 7866840, 8915752, 9899107, 11144690, 13373628, 16717035, 19798214, 22289380, 26747256, 29697321, 33434070, 39596428, 44578760, 49495535, 59394642, 66868140, 79192856, 98991070, 118789284, 133736280, 148486605, 168284819, 197982140, 237578568, 296973210, 336569638, 395964280, 504854457, 593946420, 673139276, 841424095, 1009708914, 1187892840, 1346278552, 1682848190, 2019417828, 2524272285, 3365696380, 4038835656, 5048544570, 6731392760, 10097089140, 20194178280]

約数ペア:

[(1, 20194178280), (2, 10097089140), (3, 6731392760), (4, 5048544570), (5, 4038835656), (6, 3365696380), (8, 2524272285), (10, 2019417828), (12, 1682848190), (15, 1346278552), (17, 1187892840), (20, 1009708914), (24, 841424095), (30, 673139276), (34, 593946420), (40, 504854457), (51, 395964280), (60, 336569638), (68, 296973210), (85, 237578568), (102, 197982140), (120, 168284819), (136, 148486605), (151, 133736280), (170, 118789284), (204, 98991070), (255, 79192856), (302, 66868140), (340, 59394642), (408, 49495535), (453, 44578760), (510, 39596428), (604, 33434070), (680, 29697321), (755, 26747256), (906, 22289380), (1020, 19798214), (1208, 16717035), (1510, 13373628), (1812, 11144690), (2040, 9899107), (2265, 8915752), (2567, 7866840), (3020, 6686814), (3624, 5572345), (4530, 4457876), (5134, 3933420), (6040, 3343407), (7701, 2622280), (9060, 2228938), (10268, 1966710), (12835, 1573368), (15402, 1311140), (18120, 1114469), (20536, 983355), (25670, 786684), (30804, 655570), (38505, 524456), (51340, 393342), (61608, 327785), (65557, 308040), (77010, 262228), (102680, 196671), (131114, 154020)]