20290410

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:177

約数の個数: 144

約数和(自身を含む): 63382176

約数和(自身を除く): 43091766

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 43, 45, 49, 63, 70, 86, 90, 98, 105, 107, 126, 129, 147, 210, 214, 215, 245, 258, 294, 301, 315, 321, 387, 430, 441, 490, 535, 602, 630, 642, 645, 735, 749, 774, 882, 903, 963, 1070, 1290, 1470, 1498, 1505, 1605, 1806, 1926, 1935, 2107, 2205, 2247, 2709, 3010, 3210, 3745, 3870, 4214, 4410, 4494, 4515, 4601, 4815, 5243, 5418, 6321, 6741, 7490, 9030, 9202, 9630, 10486, 10535, 11235, 12642, 13482, 13545, 13803, 15729, 18963, 21070, 22470, 23005, 26215, 27090, 27606, 31458, 31605, 32207, 33705, 37926, 41409, 46010, 47187, 52430, 63210, 64414, 67410, 69015, 78645, 82818, 94374, 94815, 96621, 138030, 157290, 161035, 189630, 193242, 207045, 225449, 235935, 289863, 322070, 414090, 450898, 471870, 483105, 579726, 676347, 966210, 1127245, 1352694, 1449315, 2029041, 2254490, 2898630, 3381735, 4058082, 6763470, 10145205, 20290410]

約数ペア:

[(1, 20290410), (2, 10145205), (3, 6763470), (5, 4058082), (6, 3381735), (7, 2898630), (9, 2254490), (10, 2029041), (14, 1449315), (15, 1352694), (18, 1127245), (21, 966210), (30, 676347), (35, 579726), (42, 483105), (43, 471870), (45, 450898), (49, 414090), (63, 322070), (70, 289863), (86, 235935), (90, 225449), (98, 207045), (105, 193242), (107, 189630), (126, 161035), (129, 157290), (147, 138030), (210, 96621), (214, 94815), (215, 94374), (245, 82818), (258, 78645), (294, 69015), (301, 67410), (315, 64414), (321, 63210), (387, 52430), (430, 47187), (441, 46010), (490, 41409), (535, 37926), (602, 33705), (630, 32207), (642, 31605), (645, 31458), (735, 27606), (749, 27090), (774, 26215), (882, 23005), (903, 22470), (963, 21070), (1070, 18963), (1290, 15729), (1470, 13803), (1498, 13545), (1505, 13482), (1605, 12642), (1806, 11235), (1926, 10535), (1935, 10486), (2107, 9630), (2205, 9202), (2247, 9030), (2709, 7490), (3010, 6741), (3210, 6321), (3745, 5418), (3870, 5243), (4214, 4815), (4410, 4601), (4494, 4515)]