20228967760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{34511}}^1$

素因数の和:34972

約数の個数: 80

約数和(自身を含む): 49915948032

約数和(自身を除く): 29686980272

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 431, 680, 862, 1360, 1724, 2155, 3448, 4310, 6896, 7327, 8620, 14654, 17240, 29308, 34480, 34511, 36635, 58616, 69022, 73270, 117232, 138044, 146540, 172555, 276088, 293080, 345110, 552176, 586160, 586687, 690220, 1173374, 1380440, 2346748, 2760880, 2933435, 4693496, 5866870, 9386992, 11733740, 14874241, 23467480, 29748482, 46934960, 59496964, 74371205, 118993928, 148742410, 237987856, 252862097, 297484820, 505724194, 594969640, 1011448388, 1189939280, 1264310485, 2022896776, 2528620970, 4045793552, 5057241940, 10114483880, 20228967760]

約数ペア:

[(1, 20228967760), (2, 10114483880), (4, 5057241940), (5, 4045793552), (8, 2528620970), (10, 2022896776), (16, 1264310485), (17, 1189939280), (20, 1011448388), (34, 594969640), (40, 505724194), (68, 297484820), (80, 252862097), (85, 237987856), (136, 148742410), (170, 118993928), (272, 74371205), (340, 59496964), (431, 46934960), (680, 29748482), (862, 23467480), (1360, 14874241), (1724, 11733740), (2155, 9386992), (3448, 5866870), (4310, 4693496), (6896, 2933435), (7327, 2760880), (8620, 2346748), (14654, 1380440), (17240, 1173374), (29308, 690220), (34480, 586687), (34511, 586160), (36635, 552176), (58616, 345110), (69022, 293080), (73270, 276088), (117232, 172555), (138044, 146540)]