20403230

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{467}}^1$

素因数の和:748

約数の個数: 32

約数和(自身を含む): 39121056

約数和(自身を除く): 18717826

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 257, 467, 514, 934, 1285, 2335, 2570, 4369, 4670, 7939, 8738, 15878, 21845, 39695, 43690, 79390, 120019, 240038, 600095, 1200190, 2040323, 4080646, 10201615, 20403230]

約数ペア:

[(1, 20403230), (2, 10201615), (5, 4080646), (10, 2040323), (17, 1200190), (34, 600095), (85, 240038), (170, 120019), (257, 79390), (467, 43690), (514, 39695), (934, 21845), (1285, 15878), (2335, 8738), (2570, 7939), (4369, 4670)]