20689368

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:337

約数の個数: 96

約数和(自身を含む): 61245360

約数和(自身を除く): 40555992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 73, 84, 98, 146, 147, 168, 196, 219, 241, 292, 294, 392, 438, 482, 511, 584, 588, 723, 876, 964, 1022, 1176, 1446, 1533, 1687, 1752, 1928, 2044, 2892, 3066, 3374, 3577, 4088, 5061, 5784, 6132, 6748, 7154, 10122, 10731, 11809, 12264, 13496, 14308, 17593, 20244, 21462, 23618, 28616, 35186, 35427, 40488, 42924, 47236, 52779, 70372, 70854, 85848, 94472, 105558, 123151, 140744, 141708, 211116, 246302, 283416, 369453, 422232, 492604, 738906, 862057, 985208, 1477812, 1724114, 2586171, 2955624, 3448228, 5172342, 6896456, 10344684, 20689368]

約数ペア:

[(1, 20689368), (2, 10344684), (3, 6896456), (4, 5172342), (6, 3448228), (7, 2955624), (8, 2586171), (12, 1724114), (14, 1477812), (21, 985208), (24, 862057), (28, 738906), (42, 492604), (49, 422232), (56, 369453), (73, 283416), (84, 246302), (98, 211116), (146, 141708), (147, 140744), (168, 123151), (196, 105558), (219, 94472), (241, 85848), (292, 70854), (294, 70372), (392, 52779), (438, 47236), (482, 42924), (511, 40488), (584, 35427), (588, 35186), (723, 28616), (876, 23618), (964, 21462), (1022, 20244), (1176, 17593), (1446, 14308), (1533, 13496), (1687, 12264), (1752, 11809), (1928, 10731), (2044, 10122), (2892, 7154), (3066, 6748), (3374, 6132), (3577, 5784), (4088, 5061)]