20913264

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{8543}}^1$

素因数の和:8574

約数の個数: 60

約数和(自身を含む): 61978176

約数和(自身を除く): 41064912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 144, 153, 204, 272, 306, 408, 612, 816, 1224, 2448, 8543, 17086, 25629, 34172, 51258, 68344, 76887, 102516, 136688, 145231, 153774, 205032, 290462, 307548, 410064, 435693, 580924, 615096, 871386, 1161848, 1230192, 1307079, 1742772, 2323696, 2614158, 3485544, 5228316, 6971088, 10456632, 20913264]

約数ペア:

[(1, 20913264), (2, 10456632), (3, 6971088), (4, 5228316), (6, 3485544), (8, 2614158), (9, 2323696), (12, 1742772), (16, 1307079), (17, 1230192), (18, 1161848), (24, 871386), (34, 615096), (36, 580924), (48, 435693), (51, 410064), (68, 307548), (72, 290462), (102, 205032), (136, 153774), (144, 145231), (153, 136688), (204, 102516), (272, 76887), (306, 68344), (408, 51258), (612, 34172), (816, 25629), (1224, 17086), (2448, 8543)]