16864520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{797}}^1$

素因数の和:854

約数の個数: 48

約数和(自身を含む): 39716460

約数和(自身を除く): 22851940

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 529, 797, 920, 1058, 1594, 2116, 2645, 3188, 3985, 4232, 5290, 6376, 7970, 10580, 15940, 18331, 21160, 31880, 36662, 73324, 91655, 146648, 183310, 366620, 421613, 733240, 843226, 1686452, 2108065, 3372904, 4216130, 8432260, 16864520]

約数ペア:

[(1, 16864520), (2, 8432260), (4, 4216130), (5, 3372904), (8, 2108065), (10, 1686452), (20, 843226), (23, 733240), (40, 421613), (46, 366620), (92, 183310), (115, 146648), (184, 91655), (230, 73324), (460, 36662), (529, 31880), (797, 21160), (920, 18331), (1058, 15940), (1594, 10580), (2116, 7970), (2645, 6376), (3188, 5290), (3985, 4232)]