20432470

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{457}}^1$

素因数の和:744

約数の個数: 32

約数和(自身を含む): 39175488

約数和(自身を除く): 18743018

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 263, 457, 526, 914, 1315, 2285, 2630, 4471, 4570, 7769, 8942, 15538, 22355, 38845, 44710, 77690, 120191, 240382, 600955, 1201910, 2043247, 4086494, 10216235, 20432470]

約数ペア:

[(1, 20432470), (2, 10216235), (5, 4086494), (10, 2043247), (17, 1201910), (34, 600955), (85, 240382), (170, 120191), (263, 77690), (457, 44710), (526, 38845), (914, 22355), (1315, 15538), (2285, 8942), (2630, 7769), (4471, 4570)]