20543432

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28219}}^1$

素因数の和:28245

約数の個数: 32

約数和(自身を含む): 47409600

約数和(自身を除く): 26866168

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28219, 56438, 112876, 197533, 225752, 366847, 395066, 733694, 790132, 1467388, 1580264, 2567929, 2934776, 5135858, 10271716, 20543432]

約数ペア:

[(1, 20543432), (2, 10271716), (4, 5135858), (7, 2934776), (8, 2567929), (13, 1580264), (14, 1467388), (26, 790132), (28, 733694), (52, 395066), (56, 366847), (91, 225752), (104, 197533), (182, 112876), (364, 56438), (728, 28219)]