20218946

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:530

約数の個数: 32

約数和(自身を含む): 34637760

約数和(自身を除く): 14418814

約数列:

[1, 2, 11, 22, 37, 59, 74, 118, 407, 421, 649, 814, 842, 1298, 2183, 4366, 4631, 9262, 15577, 24013, 24839, 31154, 48026, 49678, 171347, 273229, 342694, 546458, 919043, 1838086, 10109473, 20218946]

約数ペア:

[(1, 20218946), (2, 10109473), (11, 1838086), (22, 919043), (37, 546458), (59, 342694), (74, 273229), (118, 171347), (407, 49678), (421, 48026), (649, 31154), (814, 24839), (842, 24013), (1298, 15577), (2183, 9262), (4366, 4631)]