20406930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:451

約数の個数: 64

約数和(自身を含む): 51383808

約数和(自身を除く): 30976878

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 47, 82, 94, 123, 141, 205, 235, 246, 282, 353, 410, 470, 615, 705, 706, 1059, 1230, 1410, 1765, 1927, 2118, 3530, 3854, 5295, 5781, 9635, 10590, 11562, 14473, 16591, 19270, 28905, 28946, 33182, 43419, 49773, 57810, 72365, 82955, 86838, 99546, 144730, 165910, 217095, 248865, 434190, 497730, 680231, 1360462, 2040693, 3401155, 4081386, 6802310, 10203465, 20406930]

約数ペア:

[(1, 20406930), (2, 10203465), (3, 6802310), (5, 4081386), (6, 3401155), (10, 2040693), (15, 1360462), (30, 680231), (41, 497730), (47, 434190), (82, 248865), (94, 217095), (123, 165910), (141, 144730), (205, 99546), (235, 86838), (246, 82955), (282, 72365), (353, 57810), (410, 49773), (470, 43419), (615, 33182), (705, 28946), (706, 28905), (1059, 19270), (1230, 16591), (1410, 14473), (1765, 11562), (1927, 10590), (2118, 9635), (3530, 5781), (3854, 5295)]