20879570

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{467}}^1$

素因数の和:754

約数の個数: 32

約数和(自身を含む): 40030848

約数和(自身を除く): 19151278

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 263, 467, 526, 934, 1315, 2335, 2630, 4471, 4670, 7939, 8942, 15878, 22355, 39695, 44710, 79390, 122821, 245642, 614105, 1228210, 2087957, 4175914, 10439785, 20879570]

約数ペア:

[(1, 20879570), (2, 10439785), (5, 4175914), (10, 2087957), (17, 1228210), (34, 614105), (85, 245642), (170, 122821), (263, 79390), (467, 44710), (526, 39695), (934, 22355), (1315, 15878), (2335, 8942), (2630, 7939), (4471, 4670)]