20173968380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{528391}}^1$

素因数の和:528506

約数の個数: 48

約数和(自身を含む): 44740007424

約数和(自身を除く): 24566039044

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 83, 92, 115, 166, 230, 332, 415, 460, 830, 1660, 1909, 3818, 7636, 9545, 19090, 38180, 528391, 1056782, 2113564, 2641955, 5283910, 10567820, 12152993, 24305986, 43856453, 48611972, 60764965, 87712906, 121529930, 175425812, 219282265, 243059860, 438564530, 877129060, 1008698419, 2017396838, 4034793676, 5043492095, 10086984190, 20173968380]

約数ペア:

[(1, 20173968380), (2, 10086984190), (4, 5043492095), (5, 4034793676), (10, 2017396838), (20, 1008698419), (23, 877129060), (46, 438564530), (83, 243059860), (92, 219282265), (115, 175425812), (166, 121529930), (230, 87712906), (332, 60764965), (415, 48611972), (460, 43856453), (830, 24305986), (1660, 12152993), (1909, 10567820), (3818, 5283910), (7636, 2641955), (9545, 2113564), (19090, 1056782), (38180, 528391)]