20949894

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2917}}^1$

素因数の和:2954

約数の個数: 64

約数和(自身を含む): 56025600

約数和(自身を除く): 35075706

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 114, 126, 133, 171, 189, 266, 342, 378, 399, 513, 798, 1026, 1197, 2394, 2917, 3591, 5834, 7182, 8751, 17502, 20419, 26253, 40838, 52506, 55423, 61257, 78759, 110846, 122514, 157518, 166269, 183771, 332538, 367542, 387961, 498807, 551313, 775922, 997614, 1102626, 1163883, 1496421, 2327766, 2992842, 3491649, 6983298, 10474947, 20949894]

約数ペア:

[(1, 20949894), (2, 10474947), (3, 6983298), (6, 3491649), (7, 2992842), (9, 2327766), (14, 1496421), (18, 1163883), (19, 1102626), (21, 997614), (27, 775922), (38, 551313), (42, 498807), (54, 387961), (57, 367542), (63, 332538), (114, 183771), (126, 166269), (133, 157518), (171, 122514), (189, 110846), (266, 78759), (342, 61257), (378, 55423), (399, 52506), (513, 40838), (798, 26253), (1026, 20419), (1197, 17502), (2394, 8751), (2917, 7182), (3591, 5834)]