20164128

素因数分解:

$2^5\times 3^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:210

約数の個数: 96

約数和(自身を含む): 55883520

約数和(自身を除く): 35719392

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 47, 48, 82, 94, 96, 109, 123, 141, 164, 188, 218, 246, 282, 327, 328, 376, 436, 492, 564, 654, 656, 752, 872, 984, 1128, 1308, 1312, 1504, 1744, 1927, 1968, 2256, 2616, 3488, 3854, 3936, 4469, 4512, 5123, 5232, 5781, 7708, 8938, 10246, 10464, 11562, 13407, 15369, 15416, 17876, 20492, 23124, 26814, 30738, 30832, 35752, 40984, 46248, 53628, 61476, 61664, 71504, 81968, 92496, 107256, 122952, 143008, 163936, 184992, 210043, 214512, 245904, 420086, 429024, 491808, 630129, 840172, 1260258, 1680344, 2520516, 3360688, 5041032, 6721376, 10082064, 20164128]

約数ペア:

[(1, 20164128), (2, 10082064), (3, 6721376), (4, 5041032), (6, 3360688), (8, 2520516), (12, 1680344), (16, 1260258), (24, 840172), (32, 630129), (41, 491808), (47, 429024), (48, 420086), (82, 245904), (94, 214512), (96, 210043), (109, 184992), (123, 163936), (141, 143008), (164, 122952), (188, 107256), (218, 92496), (246, 81968), (282, 71504), (327, 61664), (328, 61476), (376, 53628), (436, 46248), (492, 40984), (564, 35752), (654, 30832), (656, 30738), (752, 26814), (872, 23124), (984, 20492), (1128, 17876), (1308, 15416), (1312, 15369), (1504, 13407), (1744, 11562), (1927, 10464), (1968, 10246), (2256, 8938), (2616, 7708), (3488, 5781), (3854, 5232), (3936, 5123), (4469, 4512)]