20351916

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43487}}^1$

素因数の和:43510

約数の個数: 36

約数和(自身を含む): 55403712

約数和(自身を除く): 35051796

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 43487, 86974, 130461, 173948, 260922, 391383, 521844, 565331, 782766, 1130662, 1565532, 1695993, 2261324, 3391986, 5087979, 6783972, 10175958, 20351916]

約数ペア:

[(1, 20351916), (2, 10175958), (3, 6783972), (4, 5087979), (6, 3391986), (9, 2261324), (12, 1695993), (13, 1565532), (18, 1130662), (26, 782766), (36, 565331), (39, 521844), (52, 391383), (78, 260922), (117, 173948), (156, 130461), (234, 86974), (468, 43487)]