20284128

素因数分解:

$2^5\times 3^3\times {\mathrm{17}}^1\times {\mathrm{1381}}^1$

素因数の和:1417

約数の個数: 96

約数和(自身を含む): 62687520

約数和(自身を除く): 42403392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 68, 72, 96, 102, 108, 136, 144, 153, 204, 216, 272, 288, 306, 408, 432, 459, 544, 612, 816, 864, 918, 1224, 1381, 1632, 1836, 2448, 2762, 3672, 4143, 4896, 5524, 7344, 8286, 11048, 12429, 14688, 16572, 22096, 23477, 24858, 33144, 37287, 44192, 46954, 49716, 66288, 70431, 74574, 93908, 99432, 132576, 140862, 149148, 187816, 198864, 211293, 281724, 298296, 375632, 397728, 422586, 563448, 596592, 633879, 751264, 845172, 1126896, 1193184, 1267758, 1690344, 2253792, 2535516, 3380688, 5071032, 6761376, 10142064, 20284128]

約数ペア:

[(1, 20284128), (2, 10142064), (3, 6761376), (4, 5071032), (6, 3380688), (8, 2535516), (9, 2253792), (12, 1690344), (16, 1267758), (17, 1193184), (18, 1126896), (24, 845172), (27, 751264), (32, 633879), (34, 596592), (36, 563448), (48, 422586), (51, 397728), (54, 375632), (68, 298296), (72, 281724), (96, 211293), (102, 198864), (108, 187816), (136, 149148), (144, 140862), (153, 132576), (204, 99432), (216, 93908), (272, 74574), (288, 70431), (306, 66288), (408, 49716), (432, 46954), (459, 44192), (544, 37287), (612, 33144), (816, 24858), (864, 23477), (918, 22096), (1224, 16572), (1381, 14688), (1632, 12429), (1836, 11048), (2448, 8286), (2762, 7344), (3672, 5524), (4143, 4896)]