20882406

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:385

約数の個数: 48

約数和(自身を含む): 45646848

約数和(自身を除く): 24764442

約数列:

[1, 2, 3, 6, 19, 31, 38, 57, 62, 93, 114, 186, 311, 361, 589, 622, 722, 933, 1083, 1178, 1767, 1866, 2166, 3534, 5909, 9641, 11191, 11818, 17727, 19282, 22382, 28923, 33573, 35454, 57846, 67146, 112271, 183179, 224542, 336813, 366358, 549537, 673626, 1099074, 3480401, 6960802, 10441203, 20882406]

約数ペア:

[(1, 20882406), (2, 10441203), (3, 6960802), (6, 3480401), (19, 1099074), (31, 673626), (38, 549537), (57, 366358), (62, 336813), (93, 224542), (114, 183179), (186, 112271), (311, 67146), (361, 57846), (589, 35454), (622, 33573), (722, 28923), (933, 22382), (1083, 19282), (1178, 17727), (1767, 11818), (1866, 11191), (2166, 9641), (3534, 5909)]