20580455055

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{9907}}^1$

素因数の和:10168

約数の個数: 64

約数和(自身を含む): 35782940160

約数和(自身を除く): 15202485105

約数列:

[1, 3, 5, 15, 19, 37, 57, 95, 111, 185, 197, 285, 555, 591, 703, 985, 2109, 2955, 3515, 3743, 7289, 9907, 10545, 11229, 18715, 21867, 29721, 36445, 49535, 56145, 109335, 138491, 148605, 188233, 366559, 415473, 564699, 692455, 941165, 1099677, 1832795, 1951679, 2077365, 2823495, 5498385, 5855037, 6964621, 9758395, 20893863, 29275185, 34823105, 37081901, 72212123, 104469315, 111245703, 185409505, 216636369, 361060615, 556228515, 1083181845, 1372030337, 4116091011, 6860151685, 20580455055]

約数ペア:

[(1, 20580455055), (3, 6860151685), (5, 4116091011), (15, 1372030337), (19, 1083181845), (37, 556228515), (57, 361060615), (95, 216636369), (111, 185409505), (185, 111245703), (197, 104469315), (285, 72212123), (555, 37081901), (591, 34823105), (703, 29275185), (985, 20893863), (2109, 9758395), (2955, 6964621), (3515, 5855037), (3743, 5498385), (7289, 2823495), (9907, 2077365), (10545, 1951679), (11229, 1832795), (18715, 1099677), (21867, 941165), (29721, 692455), (36445, 564699), (49535, 415473), (56145, 366559), (109335, 188233), (138491, 148605)]