20879664

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{33461}}^1$

素因数の和:33485

約数の個数: 40

約数和(自身を含む): 58090032

約数和(自身を除く): 37210368

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 33461, 66922, 100383, 133844, 200766, 267688, 401532, 434993, 535376, 803064, 869986, 1304979, 1606128, 1739972, 2609958, 3479944, 5219916, 6959888, 10439832, 20879664]

約数ペア:

[(1, 20879664), (2, 10439832), (3, 6959888), (4, 5219916), (6, 3479944), (8, 2609958), (12, 1739972), (13, 1606128), (16, 1304979), (24, 869986), (26, 803064), (39, 535376), (48, 434993), (52, 401532), (78, 267688), (104, 200766), (156, 133844), (208, 100383), (312, 66922), (624, 33461)]