20393164040

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{9619417}}^1$

素因数の和:9619481

約数の個数: 32

約数和(自身を含む): 46750371480

約数和(自身を除く): 26357207440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 9619417, 19238834, 38477668, 48097085, 76955336, 96194170, 192388340, 384776680, 509829101, 1019658202, 2039316404, 2549145505, 4078632808, 5098291010, 10196582020, 20393164040]

約数ペア:

[(1, 20393164040), (2, 10196582020), (4, 5098291010), (5, 4078632808), (8, 2549145505), (10, 2039316404), (20, 1019658202), (40, 509829101), (53, 384776680), (106, 192388340), (212, 96194170), (265, 76955336), (424, 48097085), (530, 38477668), (1060, 19238834), (2120, 9619417)]