20447328

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1$

素因数の和:125

約数の個数: 144

約数和(自身を含む): 63129024

約数和(自身を除く): 42681696

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 32, 33, 34, 44, 48, 51, 66, 67, 68, 88, 96, 102, 132, 134, 136, 176, 187, 201, 204, 264, 268, 272, 289, 352, 374, 402, 408, 528, 536, 544, 561, 578, 737, 748, 804, 816, 867, 1056, 1072, 1122, 1139, 1156, 1474, 1496, 1608, 1632, 1734, 2144, 2211, 2244, 2278, 2312, 2948, 2992, 3179, 3216, 3417, 3468, 4422, 4488, 4556, 4624, 5896, 5984, 6358, 6432, 6834, 6936, 8844, 8976, 9112, 9248, 9537, 11792, 12529, 12716, 13668, 13872, 17688, 17952, 18224, 19074, 19363, 23584, 25058, 25432, 27336, 27744, 35376, 36448, 37587, 38148, 38726, 50116, 50864, 54672, 58089, 70752, 75174, 76296, 77452, 100232, 101728, 109344, 116178, 150348, 152592, 154904, 200464, 212993, 232356, 300696, 305184, 309808, 400928, 425986, 464712, 601392, 619616, 638979, 851972, 929424, 1202784, 1277958, 1703944, 1858848, 2555916, 3407888, 5111832, 6815776, 10223664, 20447328]

約数ペア:

[(1, 20447328), (2, 10223664), (3, 6815776), (4, 5111832), (6, 3407888), (8, 2555916), (11, 1858848), (12, 1703944), (16, 1277958), (17, 1202784), (22, 929424), (24, 851972), (32, 638979), (33, 619616), (34, 601392), (44, 464712), (48, 425986), (51, 400928), (66, 309808), (67, 305184), (68, 300696), (88, 232356), (96, 212993), (102, 200464), (132, 154904), (134, 152592), (136, 150348), (176, 116178), (187, 109344), (201, 101728), (204, 100232), (264, 77452), (268, 76296), (272, 75174), (289, 70752), (352, 58089), (374, 54672), (402, 50864), (408, 50116), (528, 38726), (536, 38148), (544, 37587), (561, 36448), (578, 35376), (737, 27744), (748, 27336), (804, 25432), (816, 25058), (867, 23584), (1056, 19363), (1072, 19074), (1122, 18224), (1139, 17952), (1156, 17688), (1474, 13872), (1496, 13668), (1608, 12716), (1632, 12529), (1734, 11792), (2144, 9537), (2211, 9248), (2244, 9112), (2278, 8976), (2312, 8844), (2948, 6936), (2992, 6834), (3179, 6432), (3216, 6358), (3417, 5984), (3468, 5896), (4422, 4624), (4488, 4556)]