20702977790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{11399}}^1$

素因数の和:11526

約数の個数: 96

約数和(自身を含む): 43666560000

約数和(自身を除く): 22963582210

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 79, 95, 110, 121, 158, 190, 209, 242, 395, 418, 605, 790, 869, 1045, 1210, 1501, 1738, 2090, 2299, 3002, 4345, 4598, 7505, 8690, 9559, 11399, 11495, 15010, 16511, 19118, 22798, 22990, 33022, 47795, 56995, 82555, 95590, 113990, 125389, 165110, 181621, 216581, 250778, 363242, 433162, 626945, 900521, 908105, 1082905, 1253890, 1379279, 1801042, 1816210, 2165810, 2382391, 2758558, 4502605, 4764782, 6896395, 9005210, 9905731, 11911955, 13792790, 17109899, 19811462, 23823910, 26206301, 34219798, 49528655, 52412602, 85549495, 99057310, 108963041, 131031505, 171098990, 188208889, 217926082, 262063010, 376417778, 544815205, 941044445, 1089630410, 1882088890, 2070297779, 4140595558, 10351488895, 20702977790]

約数ペア:

[(1, 20702977790), (2, 10351488895), (5, 4140595558), (10, 2070297779), (11, 1882088890), (19, 1089630410), (22, 941044445), (38, 544815205), (55, 376417778), (79, 262063010), (95, 217926082), (110, 188208889), (121, 171098990), (158, 131031505), (190, 108963041), (209, 99057310), (242, 85549495), (395, 52412602), (418, 49528655), (605, 34219798), (790, 26206301), (869, 23823910), (1045, 19811462), (1210, 17109899), (1501, 13792790), (1738, 11911955), (2090, 9905731), (2299, 9005210), (3002, 6896395), (4345, 4764782), (4598, 4502605), (7505, 2758558), (8690, 2382391), (9559, 2165810), (11399, 1816210), (11495, 1801042), (15010, 1379279), (16511, 1253890), (19118, 1082905), (22798, 908105), (22990, 900521), (33022, 626945), (47795, 433162), (56995, 363242), (82555, 250778), (95590, 216581), (113990, 181621), (125389, 165110)]