20201280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1913}}^1$

素因数の和:1944

約数の個数: 112

約数和(自身を含む): 70006464

約数和(自身を除く): 49805184

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 440, 480, 528, 660, 704, 880, 960, 1056, 1320, 1760, 1913, 2112, 2640, 3520, 3826, 5280, 5739, 7652, 9565, 10560, 11478, 15304, 19130, 21043, 22956, 28695, 30608, 38260, 42086, 45912, 57390, 61216, 63129, 76520, 84172, 91824, 105215, 114780, 122432, 126258, 153040, 168344, 183648, 210430, 229560, 252516, 306080, 315645, 336688, 367296, 420860, 459120, 505032, 612160, 631290, 673376, 841720, 918240, 1010064, 1262580, 1346752, 1683440, 1836480, 2020128, 2525160, 3366880, 4040256, 5050320, 6733760, 10100640, 20201280]

約数ペア:

[(1, 20201280), (2, 10100640), (3, 6733760), (4, 5050320), (5, 4040256), (6, 3366880), (8, 2525160), (10, 2020128), (11, 1836480), (12, 1683440), (15, 1346752), (16, 1262580), (20, 1010064), (22, 918240), (24, 841720), (30, 673376), (32, 631290), (33, 612160), (40, 505032), (44, 459120), (48, 420860), (55, 367296), (60, 336688), (64, 315645), (66, 306080), (80, 252516), (88, 229560), (96, 210430), (110, 183648), (120, 168344), (132, 153040), (160, 126258), (165, 122432), (176, 114780), (192, 105215), (220, 91824), (240, 84172), (264, 76520), (320, 63129), (330, 61216), (352, 57390), (440, 45912), (480, 42086), (528, 38260), (660, 30608), (704, 28695), (880, 22956), (960, 21043), (1056, 19130), (1320, 15304), (1760, 11478), (1913, 10560), (2112, 9565), (2640, 7652), (3520, 5739), (3826, 5280)]