20221552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{509}}^1$

素因数の和:721

約数の個数: 40

約数和(自身を含む): 42497280

約数和(自身を除く): 22275728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 191, 208, 382, 509, 764, 1018, 1528, 2036, 2483, 3056, 4072, 4966, 6617, 8144, 9932, 13234, 19864, 26468, 39728, 52936, 97219, 105872, 194438, 388876, 777752, 1263847, 1555504, 2527694, 5055388, 10110776, 20221552]

約数ペア:

[(1, 20221552), (2, 10110776), (4, 5055388), (8, 2527694), (13, 1555504), (16, 1263847), (26, 777752), (52, 388876), (104, 194438), (191, 105872), (208, 97219), (382, 52936), (509, 39728), (764, 26468), (1018, 19864), (1528, 13234), (2036, 9932), (2483, 8144), (3056, 6617), (4072, 4966)]