20713156984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1000829}}^1$

素因数の和:1001047

約数の個数: 32

約数和(自身を含む): 42034860000

約数和(自身を除く): 21321703016

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199, 398, 796, 1592, 2587, 5174, 10348, 20696, 1000829, 2001658, 4003316, 8006632, 13010777, 26021554, 52043108, 104086216, 199164971, 398329942, 796659884, 1593319768, 2589144623, 5178289246, 10356578492, 20713156984]

約数ペア:

[(1, 20713156984), (2, 10356578492), (4, 5178289246), (8, 2589144623), (13, 1593319768), (26, 796659884), (52, 398329942), (104, 199164971), (199, 104086216), (398, 52043108), (796, 26021554), (1592, 13010777), (2587, 8006632), (5174, 4003316), (10348, 2001658), (20696, 1000829)]