20386468

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 41126400

約数和(自身を除く): 20739932

約数列:

[1, 2, 4, 17, 19, 31, 34, 38, 62, 68, 76, 124, 323, 509, 527, 589, 646, 1018, 1054, 1178, 1292, 2036, 2108, 2356, 8653, 9671, 10013, 15779, 17306, 19342, 20026, 31558, 34612, 38684, 40052, 63116, 164407, 268243, 299801, 328814, 536486, 599602, 657628, 1072972, 1199204, 5096617, 10193234, 20386468]

約数ペア:

[(1, 20386468), (2, 10193234), (4, 5096617), (17, 1199204), (19, 1072972), (31, 657628), (34, 599602), (38, 536486), (62, 328814), (68, 299801), (76, 268243), (124, 164407), (323, 63116), (509, 40052), (527, 38684), (589, 34612), (646, 31558), (1018, 20026), (1054, 19342), (1178, 17306), (1292, 15779), (2036, 10013), (2108, 9671), (2356, 8653)]