20993572

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 41997312

約数和(自身を除く): 21003740

約数列:

[1, 2, 4, 17, 23, 31, 34, 46, 62, 68, 92, 124, 391, 433, 527, 713, 782, 866, 1054, 1426, 1564, 1732, 2108, 2852, 7361, 9959, 12121, 13423, 14722, 19918, 24242, 26846, 29444, 39836, 48484, 53692, 169303, 228191, 308729, 338606, 456382, 617458, 677212, 912764, 1234916, 5248393, 10496786, 20993572]

約数ペア:

[(1, 20993572), (2, 10496786), (4, 5248393), (17, 1234916), (23, 912764), (31, 677212), (34, 617458), (46, 456382), (62, 338606), (68, 308729), (92, 228191), (124, 169303), (391, 53692), (433, 48484), (527, 39836), (713, 29444), (782, 26846), (866, 24242), (1054, 19918), (1426, 14722), (1564, 13423), (1732, 12121), (2108, 9959), (2852, 7361)]