20938944

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{8389}}^1$

素因数の和:8417

約数の個数: 56

約数和(自身を含む): 59669680

約数和(自身を除く): 38730736

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 156, 192, 208, 312, 416, 624, 832, 1248, 2496, 8389, 16778, 25167, 33556, 50334, 67112, 100668, 109057, 134224, 201336, 218114, 268448, 327171, 402672, 436228, 536896, 654342, 805344, 872456, 1308684, 1610688, 1744912, 2617368, 3489824, 5234736, 6979648, 10469472, 20938944]

約数ペア:

[(1, 20938944), (2, 10469472), (3, 6979648), (4, 5234736), (6, 3489824), (8, 2617368), (12, 1744912), (13, 1610688), (16, 1308684), (24, 872456), (26, 805344), (32, 654342), (39, 536896), (48, 436228), (52, 402672), (64, 327171), (78, 268448), (96, 218114), (104, 201336), (156, 134224), (192, 109057), (208, 100668), (312, 67112), (416, 50334), (624, 33556), (832, 25167), (1248, 16778), (2496, 8389)]