20916060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:144

約数の個数: 144

約数和(自身を含む): 66853248

約数和(自身を除く): 45937188

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 43, 44, 55, 60, 66, 67, 86, 110, 121, 129, 132, 134, 165, 172, 201, 215, 220, 242, 258, 268, 330, 335, 363, 402, 430, 473, 484, 516, 605, 645, 660, 670, 726, 737, 804, 860, 946, 1005, 1210, 1290, 1340, 1419, 1452, 1474, 1815, 1892, 2010, 2211, 2365, 2420, 2580, 2838, 2881, 2948, 3630, 3685, 4020, 4422, 4730, 5203, 5676, 5762, 7095, 7260, 7370, 8107, 8643, 8844, 9460, 10406, 11055, 11524, 14190, 14405, 14740, 15609, 16214, 17286, 20812, 22110, 24321, 26015, 28380, 28810, 31218, 31691, 32428, 34572, 40535, 43215, 44220, 48642, 52030, 57620, 62436, 63382, 78045, 81070, 86430, 95073, 97284, 104060, 121605, 126764, 156090, 158455, 162140, 172860, 190146, 243210, 312180, 316910, 348601, 380292, 475365, 486420, 633820, 697202, 950730, 1045803, 1394404, 1743005, 1901460, 2091606, 3486010, 4183212, 5229015, 6972020, 10458030, 20916060]

約数ペア:

[(1, 20916060), (2, 10458030), (3, 6972020), (4, 5229015), (5, 4183212), (6, 3486010), (10, 2091606), (11, 1901460), (12, 1743005), (15, 1394404), (20, 1045803), (22, 950730), (30, 697202), (33, 633820), (43, 486420), (44, 475365), (55, 380292), (60, 348601), (66, 316910), (67, 312180), (86, 243210), (110, 190146), (121, 172860), (129, 162140), (132, 158455), (134, 156090), (165, 126764), (172, 121605), (201, 104060), (215, 97284), (220, 95073), (242, 86430), (258, 81070), (268, 78045), (330, 63382), (335, 62436), (363, 57620), (402, 52030), (430, 48642), (473, 44220), (484, 43215), (516, 40535), (605, 34572), (645, 32428), (660, 31691), (670, 31218), (726, 28810), (737, 28380), (804, 26015), (860, 24321), (946, 22110), (1005, 20812), (1210, 17286), (1290, 16214), (1340, 15609), (1419, 14740), (1452, 14405), (1474, 14190), (1815, 11524), (1892, 11055), (2010, 10406), (2211, 9460), (2365, 8844), (2420, 8643), (2580, 8107), (2838, 7370), (2881, 7260), (2948, 7095), (3630, 5762), (3685, 5676), (4020, 5203), (4422, 4730)]