20282290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 44126208

約数和(自身を除く): 23843918

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 41, 70, 74, 82, 185, 191, 205, 259, 287, 370, 382, 410, 518, 574, 955, 1295, 1337, 1435, 1517, 1910, 2590, 2674, 2870, 3034, 6685, 7067, 7585, 7831, 10619, 13370, 14134, 15170, 15662, 21238, 35335, 39155, 49469, 53095, 54817, 70670, 78310, 98938, 106190, 109634, 247345, 274085, 289747, 494690, 548170, 579494, 1448735, 2028229, 2897470, 4056458, 10141145, 20282290]

約数ペア:

[(1, 20282290), (2, 10141145), (5, 4056458), (7, 2897470), (10, 2028229), (14, 1448735), (35, 579494), (37, 548170), (41, 494690), (70, 289747), (74, 274085), (82, 247345), (185, 109634), (191, 106190), (205, 98938), (259, 78310), (287, 70670), (370, 54817), (382, 53095), (410, 49469), (518, 39155), (574, 35335), (955, 21238), (1295, 15662), (1337, 15170), (1435, 14134), (1517, 13370), (1910, 10619), (2590, 7831), (2674, 7585), (2870, 7067), (3034, 6685)]