23840020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{19541}}^1$

素因数の和:19611

約数の個数: 24

約数和(自身を含む): 50887368

約数和(自身を除く): 27047348

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 19541, 39082, 78164, 97705, 195410, 390820, 1192001, 2384002, 4768004, 5960005, 11920010, 23840020]

約数ペア:

[(1, 23840020), (2, 11920010), (4, 5960005), (5, 4768004), (10, 2384002), (20, 1192001), (61, 390820), (122, 195410), (244, 97705), (305, 78164), (610, 39082), (1220, 19541)]