20172762

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:507

約数の個数: 48

約数和(自身を含む): 45508320

約数和(自身を除く): 25335558

約数列:

[1, 2, 3, 6, 9, 18, 43, 67, 86, 129, 134, 201, 258, 387, 389, 402, 603, 774, 778, 1167, 1206, 2334, 2881, 3501, 5762, 7002, 8643, 16727, 17286, 25929, 26063, 33454, 50181, 51858, 52126, 78189, 100362, 150543, 156378, 234567, 301086, 469134, 1120709, 2241418, 3362127, 6724254, 10086381, 20172762]

約数ペア:

[(1, 20172762), (2, 10086381), (3, 6724254), (6, 3362127), (9, 2241418), (18, 1120709), (43, 469134), (67, 301086), (86, 234567), (129, 156378), (134, 150543), (201, 100362), (258, 78189), (387, 52126), (389, 51858), (402, 50181), (603, 33454), (774, 26063), (778, 25929), (1167, 17286), (1206, 16727), (2334, 8643), (2881, 7002), (3501, 5762)]