20105118

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 52284960

約数和(自身を除く): 32179842

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 27, 33, 34, 51, 54, 66, 99, 102, 121, 153, 181, 187, 198, 242, 297, 306, 362, 363, 374, 459, 543, 561, 594, 726, 918, 1086, 1089, 1122, 1629, 1683, 1991, 2057, 2178, 3077, 3258, 3267, 3366, 3982, 4114, 4887, 5049, 5973, 6154, 6171, 6534, 9231, 9774, 10098, 11946, 12342, 17919, 18462, 18513, 21901, 27693, 33847, 35838, 37026, 43802, 53757, 55386, 55539, 65703, 67694, 83079, 101541, 107514, 111078, 131406, 166158, 197109, 203082, 304623, 372317, 394218, 591327, 609246, 744634, 913869, 1116951, 1182654, 1827738, 2233902, 3350853, 6701706, 10052559, 20105118]

約数ペア:

[(1, 20105118), (2, 10052559), (3, 6701706), (6, 3350853), (9, 2233902), (11, 1827738), (17, 1182654), (18, 1116951), (22, 913869), (27, 744634), (33, 609246), (34, 591327), (51, 394218), (54, 372317), (66, 304623), (99, 203082), (102, 197109), (121, 166158), (153, 131406), (181, 111078), (187, 107514), (198, 101541), (242, 83079), (297, 67694), (306, 65703), (362, 55539), (363, 55386), (374, 53757), (459, 43802), (543, 37026), (561, 35838), (594, 33847), (726, 27693), (918, 21901), (1086, 18513), (1089, 18462), (1122, 17919), (1629, 12342), (1683, 11946), (1991, 10098), (2057, 9774), (2178, 9231), (3077, 6534), (3258, 6171), (3267, 6154), (3366, 5973), (3982, 5049), (4114, 4887)]