20807521044

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{542371}}^1$

素因数の和:542540

約数の個数: 48

約数和(自身を含む): 51026357760

約数和(自身を除く): 30218836716

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 139, 276, 278, 417, 556, 834, 1668, 3197, 6394, 9591, 12788, 19182, 38364, 542371, 1084742, 1627113, 2169484, 3254226, 6508452, 12474533, 24949066, 37423599, 49898132, 74847198, 75389569, 149694396, 150779138, 226168707, 301558276, 452337414, 904674828, 1733960087, 3467920174, 5201880261, 6935840348, 10403760522, 20807521044]

約数ペア:

[(1, 20807521044), (2, 10403760522), (3, 6935840348), (4, 5201880261), (6, 3467920174), (12, 1733960087), (23, 904674828), (46, 452337414), (69, 301558276), (92, 226168707), (138, 150779138), (139, 149694396), (276, 75389569), (278, 74847198), (417, 49898132), (556, 37423599), (834, 24949066), (1668, 12474533), (3197, 6508452), (6394, 3254226), (9591, 2169484), (12788, 1627113), (19182, 1084742), (38364, 542371)]