20767712

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 96

約数和(自身を含む): 50803200

約数和(自身を除く): 30035488

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 29, 32, 46, 56, 58, 92, 112, 116, 139, 161, 184, 203, 224, 232, 278, 322, 368, 406, 464, 556, 644, 667, 736, 812, 928, 973, 1112, 1288, 1334, 1624, 1946, 2224, 2576, 2668, 3197, 3248, 3892, 4031, 4448, 4669, 5152, 5336, 6394, 6496, 7784, 8062, 9338, 10672, 12788, 15568, 16124, 18676, 21344, 22379, 25576, 28217, 31136, 32248, 37352, 44758, 51152, 56434, 64496, 74704, 89516, 92713, 102304, 112868, 128992, 149408, 179032, 185426, 225736, 358064, 370852, 451472, 648991, 716128, 741704, 902944, 1297982, 1483408, 2595964, 2966816, 5191928, 10383856, 20767712]

約数ペア:

[(1, 20767712), (2, 10383856), (4, 5191928), (7, 2966816), (8, 2595964), (14, 1483408), (16, 1297982), (23, 902944), (28, 741704), (29, 716128), (32, 648991), (46, 451472), (56, 370852), (58, 358064), (92, 225736), (112, 185426), (116, 179032), (139, 149408), (161, 128992), (184, 112868), (203, 102304), (224, 92713), (232, 89516), (278, 74704), (322, 64496), (368, 56434), (406, 51152), (464, 44758), (556, 37352), (644, 32248), (667, 31136), (736, 28217), (812, 25576), (928, 22379), (973, 21344), (1112, 18676), (1288, 16124), (1334, 15568), (1624, 12788), (1946, 10672), (2224, 9338), (2576, 8062), (2668, 7784), (3197, 6496), (3248, 6394), (3892, 5336), (4031, 5152), (4448, 4669)]