20834982

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{967}}^1$

素因数の和:1007

約数の個数: 80

約数和(自身を含む): 56221440

約数和(自身を除く): 35386458

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 81, 114, 126, 133, 162, 171, 189, 266, 342, 378, 399, 513, 567, 798, 967, 1026, 1134, 1197, 1539, 1934, 2394, 2901, 3078, 3591, 5802, 6769, 7182, 8703, 10773, 13538, 17406, 18373, 20307, 21546, 26109, 36746, 40614, 52218, 55119, 60921, 78327, 110238, 121842, 128611, 156654, 165357, 182763, 257222, 330714, 365526, 385833, 496071, 548289, 771666, 992142, 1096578, 1157499, 1488213, 2314998, 2976426, 3472497, 6944994, 10417491, 20834982]

約数ペア:

[(1, 20834982), (2, 10417491), (3, 6944994), (6, 3472497), (7, 2976426), (9, 2314998), (14, 1488213), (18, 1157499), (19, 1096578), (21, 992142), (27, 771666), (38, 548289), (42, 496071), (54, 385833), (57, 365526), (63, 330714), (81, 257222), (114, 182763), (126, 165357), (133, 156654), (162, 128611), (171, 121842), (189, 110238), (266, 78327), (342, 60921), (378, 55119), (399, 52218), (513, 40614), (567, 36746), (798, 26109), (967, 21546), (1026, 20307), (1134, 18373), (1197, 17406), (1539, 13538), (1934, 10773), (2394, 8703), (2901, 7182), (3078, 6769), (3591, 5802)]