20332128760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{179549}}^1$

素因数の和:179728

約数の個数: 64

約数和(自身を含む): 48478500000

約数和(自身を除く): 28146371240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 149, 152, 190, 298, 380, 596, 745, 760, 1192, 1490, 2831, 2980, 5662, 5960, 11324, 14155, 22648, 28310, 56620, 113240, 179549, 359098, 718196, 897745, 1436392, 1795490, 3411431, 3590980, 6822862, 7181960, 13645724, 17057155, 26752801, 27291448, 34114310, 53505602, 68228620, 107011204, 133764005, 136457240, 214022408, 267528010, 508303219, 535056020, 1016606438, 1070112040, 2033212876, 2541516095, 4066425752, 5083032190, 10166064380, 20332128760]

約数ペア:

[(1, 20332128760), (2, 10166064380), (4, 5083032190), (5, 4066425752), (8, 2541516095), (10, 2033212876), (19, 1070112040), (20, 1016606438), (38, 535056020), (40, 508303219), (76, 267528010), (95, 214022408), (149, 136457240), (152, 133764005), (190, 107011204), (298, 68228620), (380, 53505602), (596, 34114310), (745, 27291448), (760, 26752801), (1192, 17057155), (1490, 13645724), (2831, 7181960), (2980, 6822862), (5662, 3590980), (5960, 3411431), (11324, 1795490), (14155, 1436392), (22648, 897745), (28310, 718196), (56620, 359098), (113240, 179549)]