20009612

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 42835968

約数和(自身を除く): 22826356

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 127, 238, 254, 331, 476, 508, 662, 889, 1324, 1778, 2159, 2317, 3556, 4318, 4634, 5627, 8636, 9268, 11254, 15113, 22508, 30226, 39389, 42037, 60452, 78778, 84074, 157556, 168148, 294259, 588518, 714629, 1177036, 1429258, 2858516, 5002403, 10004806, 20009612]

約数ペア:

[(1, 20009612), (2, 10004806), (4, 5002403), (7, 2858516), (14, 1429258), (17, 1177036), (28, 714629), (34, 588518), (68, 294259), (119, 168148), (127, 157556), (238, 84074), (254, 78778), (331, 60452), (476, 42037), (508, 39389), (662, 30226), (889, 22508), (1324, 15113), (1778, 11254), (2159, 9268), (2317, 8636), (3556, 5627), (4318, 4634)]