20644308

素因数分解:

$2^2\times 3^5\times {\mathrm{67}}^1\times {\mathrm{317}}^1$

素因数の和:403

約数の個数: 72

約数和(自身を含む): 55097952

約数和(自身を除く): 34453644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 67, 81, 108, 134, 162, 201, 243, 268, 317, 324, 402, 486, 603, 634, 804, 951, 972, 1206, 1268, 1809, 1902, 2412, 2853, 3618, 3804, 5427, 5706, 7236, 8559, 10854, 11412, 16281, 17118, 21239, 21708, 25677, 32562, 34236, 42478, 51354, 63717, 65124, 77031, 84956, 102708, 127434, 154062, 191151, 254868, 308124, 382302, 573453, 764604, 1146906, 1720359, 2293812, 3440718, 5161077, 6881436, 10322154, 20644308]

約数ペア:

[(1, 20644308), (2, 10322154), (3, 6881436), (4, 5161077), (6, 3440718), (9, 2293812), (12, 1720359), (18, 1146906), (27, 764604), (36, 573453), (54, 382302), (67, 308124), (81, 254868), (108, 191151), (134, 154062), (162, 127434), (201, 102708), (243, 84956), (268, 77031), (317, 65124), (324, 63717), (402, 51354), (486, 42478), (603, 34236), (634, 32562), (804, 25677), (951, 21708), (972, 21239), (1206, 17118), (1268, 16281), (1809, 11412), (1902, 10854), (2412, 8559), (2853, 7236), (3618, 5706), (3804, 5427)]