20804429160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{857}}^1\times {\mathrm{67433}}^1$

素因数の和:68307

約数の個数: 96

約数和(自身を含む): 67694295240

約数和(自身を除く): 46889866080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 857, 1714, 2571, 3428, 4285, 5142, 6856, 7713, 8570, 10284, 12855, 15426, 17140, 20568, 25710, 30852, 34280, 38565, 51420, 61704, 67433, 77130, 102840, 134866, 154260, 202299, 269732, 308520, 337165, 404598, 539464, 606897, 674330, 809196, 1011495, 1213794, 1348660, 1618392, 2022990, 2427588, 2697320, 3034485, 4045980, 4855176, 6068970, 8091960, 12137940, 24275880, 57790081, 115580162, 173370243, 231160324, 288950405, 346740486, 462320648, 520110729, 577900810, 693480972, 866851215, 1040221458, 1155801620, 1386961944, 1733702430, 2080442916, 2311603240, 2600553645, 3467404860, 4160885832, 5201107290, 6934809720, 10402214580, 20804429160]

約数ペア:

[(1, 20804429160), (2, 10402214580), (3, 6934809720), (4, 5201107290), (5, 4160885832), (6, 3467404860), (8, 2600553645), (9, 2311603240), (10, 2080442916), (12, 1733702430), (15, 1386961944), (18, 1155801620), (20, 1040221458), (24, 866851215), (30, 693480972), (36, 577900810), (40, 520110729), (45, 462320648), (60, 346740486), (72, 288950405), (90, 231160324), (120, 173370243), (180, 115580162), (360, 57790081), (857, 24275880), (1714, 12137940), (2571, 8091960), (3428, 6068970), (4285, 4855176), (5142, 4045980), (6856, 3034485), (7713, 2697320), (8570, 2427588), (10284, 2022990), (12855, 1618392), (15426, 1348660), (17140, 1213794), (20568, 1011495), (25710, 809196), (30852, 674330), (34280, 606897), (38565, 539464), (51420, 404598), (61704, 337165), (67433, 308520), (77130, 269732), (102840, 202299), (134866, 154260)]