20884160

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1$

素因数の和:394

約数の個数: 112

約数和(自身を含む): 57607200

約数和(自身を除く): 36723040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 320, 340, 349, 352, 374, 440, 544, 680, 698, 704, 748, 880, 935, 1088, 1360, 1396, 1496, 1745, 1760, 1870, 2720, 2792, 2992, 3490, 3520, 3740, 3839, 5440, 5584, 5933, 5984, 6980, 7480, 7678, 11168, 11866, 11968, 13960, 14960, 15356, 19195, 22336, 23732, 27920, 29665, 29920, 30712, 38390, 47464, 55840, 59330, 59840, 61424, 65263, 76780, 94928, 111680, 118660, 122848, 130526, 153560, 189856, 237320, 245696, 261052, 307120, 326315, 379712, 474640, 522104, 614240, 652630, 949280, 1044208, 1228480, 1305260, 1898560, 2088416, 2610520, 4176832, 5221040, 10442080, 20884160]

約数ペア:

[(1, 20884160), (2, 10442080), (4, 5221040), (5, 4176832), (8, 2610520), (10, 2088416), (11, 1898560), (16, 1305260), (17, 1228480), (20, 1044208), (22, 949280), (32, 652630), (34, 614240), (40, 522104), (44, 474640), (55, 379712), (64, 326315), (68, 307120), (80, 261052), (85, 245696), (88, 237320), (110, 189856), (136, 153560), (160, 130526), (170, 122848), (176, 118660), (187, 111680), (220, 94928), (272, 76780), (320, 65263), (340, 61424), (349, 59840), (352, 59330), (374, 55840), (440, 47464), (544, 38390), (680, 30712), (698, 29920), (704, 29665), (748, 27920), (880, 23732), (935, 22336), (1088, 19195), (1360, 15356), (1396, 14960), (1496, 13960), (1745, 11968), (1760, 11866), (1870, 11168), (2720, 7678), (2792, 7480), (2992, 6980), (3490, 5984), (3520, 5933), (3740, 5584), (3839, 5440)]