20618952

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{439}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 54912000

約数和(自身を除く): 34293048

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 103, 114, 152, 206, 228, 309, 412, 439, 456, 618, 824, 878, 1236, 1317, 1756, 1957, 2472, 2634, 3512, 3914, 5268, 5871, 7828, 8341, 10536, 11742, 15656, 16682, 23484, 25023, 33364, 45217, 46968, 50046, 66728, 90434, 100092, 135651, 180868, 200184, 271302, 361736, 542604, 859123, 1085208, 1718246, 2577369, 3436492, 5154738, 6872984, 10309476, 20618952]

約数ペア:

[(1, 20618952), (2, 10309476), (3, 6872984), (4, 5154738), (6, 3436492), (8, 2577369), (12, 1718246), (19, 1085208), (24, 859123), (38, 542604), (57, 361736), (76, 271302), (103, 200184), (114, 180868), (152, 135651), (206, 100092), (228, 90434), (309, 66728), (412, 50046), (439, 46968), (456, 45217), (618, 33364), (824, 25023), (878, 23484), (1236, 16682), (1317, 15656), (1756, 11742), (1957, 10536), (2472, 8341), (2634, 7828), (3512, 5871), (3914, 5268)]