20385200

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:183

約数の個数: 120

約数和(自身を含む): 55215216

約数和(自身を除く): 34830016

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 41, 44, 50, 55, 80, 82, 88, 100, 110, 113, 164, 176, 200, 205, 220, 226, 275, 328, 400, 410, 440, 451, 452, 550, 565, 656, 820, 880, 902, 904, 1025, 1100, 1130, 1243, 1640, 1804, 1808, 2050, 2200, 2255, 2260, 2486, 2825, 3280, 3608, 4100, 4400, 4510, 4520, 4633, 4972, 5650, 6215, 7216, 8200, 9020, 9040, 9266, 9944, 11275, 11300, 12430, 16400, 18040, 18532, 19888, 22550, 22600, 23165, 24860, 31075, 36080, 37064, 45100, 45200, 46330, 49720, 50963, 62150, 74128, 90200, 92660, 99440, 101926, 115825, 124300, 180400, 185320, 203852, 231650, 248600, 254815, 370640, 407704, 463300, 497200, 509630, 815408, 926600, 1019260, 1274075, 1853200, 2038520, 2548150, 4077040, 5096300, 10192600, 20385200]

約数ペア:

[(1, 20385200), (2, 10192600), (4, 5096300), (5, 4077040), (8, 2548150), (10, 2038520), (11, 1853200), (16, 1274075), (20, 1019260), (22, 926600), (25, 815408), (40, 509630), (41, 497200), (44, 463300), (50, 407704), (55, 370640), (80, 254815), (82, 248600), (88, 231650), (100, 203852), (110, 185320), (113, 180400), (164, 124300), (176, 115825), (200, 101926), (205, 99440), (220, 92660), (226, 90200), (275, 74128), (328, 62150), (400, 50963), (410, 49720), (440, 46330), (451, 45200), (452, 45100), (550, 37064), (565, 36080), (656, 31075), (820, 24860), (880, 23165), (902, 22600), (904, 22550), (1025, 19888), (1100, 18532), (1130, 18040), (1243, 16400), (1640, 12430), (1804, 11300), (1808, 11275), (2050, 9944), (2200, 9266), (2255, 9040), (2260, 9020), (2486, 8200), (2825, 7216), (3280, 6215), (3608, 5650), (4100, 4972), (4400, 4633), (4510, 4520)]