20199132056

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{162091}}^1$

素因数の和:162555

約数の個数: 32

約数和(自身を含む): 38989609680

約数和(自身を除く): 18790477624

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 421, 842, 1684, 3368, 15577, 31154, 62308, 124616, 162091, 324182, 648364, 1296728, 5997367, 11994734, 23989468, 47978936, 68240311, 136480622, 272961244, 545922488, 2524891507, 5049783014, 10099566028, 20199132056]

約数ペア:

[(1, 20199132056), (2, 10099566028), (4, 5049783014), (8, 2524891507), (37, 545922488), (74, 272961244), (148, 136480622), (296, 68240311), (421, 47978936), (842, 23989468), (1684, 11994734), (3368, 5997367), (15577, 1296728), (31154, 648364), (62308, 324182), (124616, 162091)]