20975004

素因数分解:

$2^2\times 3^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 58094400

約数和(自身を除く): 37119396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 37, 54, 58, 74, 87, 108, 111, 116, 148, 174, 181, 222, 261, 333, 348, 362, 444, 522, 543, 666, 724, 783, 999, 1044, 1073, 1086, 1332, 1566, 1629, 1998, 2146, 2172, 3132, 3219, 3258, 3996, 4292, 4887, 5249, 6438, 6516, 6697, 9657, 9774, 10498, 12876, 13394, 15747, 19314, 19548, 20091, 20996, 26788, 28971, 31494, 38628, 40182, 47241, 57942, 60273, 62988, 80364, 94482, 115884, 120546, 141723, 180819, 188964, 194213, 241092, 283446, 361638, 388426, 566892, 582639, 723276, 776852, 1165278, 1747917, 2330556, 3495834, 5243751, 6991668, 10487502, 20975004]

約数ペア:

[(1, 20975004), (2, 10487502), (3, 6991668), (4, 5243751), (6, 3495834), (9, 2330556), (12, 1747917), (18, 1165278), (27, 776852), (29, 723276), (36, 582639), (37, 566892), (54, 388426), (58, 361638), (74, 283446), (87, 241092), (108, 194213), (111, 188964), (116, 180819), (148, 141723), (174, 120546), (181, 115884), (222, 94482), (261, 80364), (333, 62988), (348, 60273), (362, 57942), (444, 47241), (522, 40182), (543, 38628), (666, 31494), (724, 28971), (783, 26788), (999, 20996), (1044, 20091), (1073, 19548), (1086, 19314), (1332, 15747), (1566, 13394), (1629, 12876), (1998, 10498), (2146, 9774), (2172, 9657), (3132, 6697), (3219, 6516), (3258, 6438), (3996, 5249), (4292, 4887)]