20498148

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1399}}^1$

素因数の和:1457

約数の個数: 72

約数和(自身を含む): 58094400

約数和(自身を除く): 37596252

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 37, 44, 66, 74, 99, 111, 132, 148, 198, 222, 333, 396, 407, 444, 666, 814, 1221, 1332, 1399, 1628, 2442, 2798, 3663, 4197, 4884, 5596, 7326, 8394, 12591, 14652, 15389, 16788, 25182, 30778, 46167, 50364, 51763, 61556, 92334, 103526, 138501, 155289, 184668, 207052, 277002, 310578, 465867, 554004, 569393, 621156, 931734, 1138786, 1708179, 1863468, 2277572, 3416358, 5124537, 6832716, 10249074, 20498148]

約数ペア:

[(1, 20498148), (2, 10249074), (3, 6832716), (4, 5124537), (6, 3416358), (9, 2277572), (11, 1863468), (12, 1708179), (18, 1138786), (22, 931734), (33, 621156), (36, 569393), (37, 554004), (44, 465867), (66, 310578), (74, 277002), (99, 207052), (111, 184668), (132, 155289), (148, 138501), (198, 103526), (222, 92334), (333, 61556), (396, 51763), (407, 50364), (444, 46167), (666, 30778), (814, 25182), (1221, 16788), (1332, 15389), (1399, 14652), (1628, 12591), (2442, 8394), (2798, 7326), (3663, 5596), (4197, 4884)]