820012

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:441

約数の個数: 24

約数和(自身を含む): 1572480

約数和(自身を除く): 752468

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 389, 527, 778, 1054, 1556, 2108, 6613, 12059, 13226, 24118, 26452, 48236, 205003, 410006, 820012]

約数ペア:

[(1, 820012), (2, 410006), (4, 205003), (17, 48236), (31, 26452), (34, 24118), (62, 13226), (68, 12059), (124, 6613), (389, 2108), (527, 1556), (778, 1054)]