20594480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{797}}^1$

素因数の和:846

約数の個数: 80

約数和(自身を含む): 53434080

約数和(自身を除く): 32839600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 797, 1292, 1360, 1520, 1594, 1615, 2584, 3188, 3230, 3985, 5168, 6376, 6460, 7970, 12752, 12920, 13549, 15143, 15940, 25840, 27098, 30286, 31880, 54196, 60572, 63760, 67745, 75715, 108392, 121144, 135490, 151430, 216784, 242288, 257431, 270980, 302860, 514862, 541960, 605720, 1029724, 1083920, 1211440, 1287155, 2059448, 2574310, 4118896, 5148620, 10297240, 20594480]

約数ペア:

[(1, 20594480), (2, 10297240), (4, 5148620), (5, 4118896), (8, 2574310), (10, 2059448), (16, 1287155), (17, 1211440), (19, 1083920), (20, 1029724), (34, 605720), (38, 541960), (40, 514862), (68, 302860), (76, 270980), (80, 257431), (85, 242288), (95, 216784), (136, 151430), (152, 135490), (170, 121144), (190, 108392), (272, 75715), (304, 67745), (323, 63760), (340, 60572), (380, 54196), (646, 31880), (680, 30286), (760, 27098), (797, 25840), (1292, 15940), (1360, 15143), (1520, 13549), (1594, 12920), (1615, 12752), (2584, 7970), (3188, 6460), (3230, 6376), (3985, 5168)]