20996475260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{186569}}^1$

素因数の和:186926

約数の個数: 48

約数和(自身を含む): 46827577440

約数和(自身を除く): 25831102180

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 331, 340, 662, 1324, 1655, 3310, 5627, 6620, 11254, 22508, 28135, 56270, 112540, 186569, 373138, 746276, 932845, 1865690, 3171673, 3731380, 6343346, 12686692, 15858365, 31716730, 61754339, 63433460, 123508678, 247017356, 308771695, 617543390, 1049823763, 1235086780, 2099647526, 4199295052, 5249118815, 10498237630, 20996475260]

約数ペア:

[(1, 20996475260), (2, 10498237630), (4, 5249118815), (5, 4199295052), (10, 2099647526), (17, 1235086780), (20, 1049823763), (34, 617543390), (68, 308771695), (85, 247017356), (170, 123508678), (331, 63433460), (340, 61754339), (662, 31716730), (1324, 15858365), (1655, 12686692), (3310, 6343346), (5627, 3731380), (6620, 3171673), (11254, 1865690), (22508, 932845), (28135, 746276), (56270, 373138), (112540, 186569)]