20165093552

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{2179}}^1\times {\mathrm{13451}}^1$

素因数の和:15681

約数の個数: 40

約数和(自身を含む): 39999791040

約数和(自身を除く): 19834697488

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 2179, 4358, 8716, 13451, 17432, 26902, 34864, 53804, 93697, 107608, 187394, 215216, 374788, 578393, 749576, 1156786, 1499152, 2313572, 4627144, 9254288, 29309729, 58619458, 117238916, 234477832, 468955664, 1260318347, 2520636694, 5041273388, 10082546776, 20165093552]

約数ペア:

[(1, 20165093552), (2, 10082546776), (4, 5041273388), (8, 2520636694), (16, 1260318347), (43, 468955664), (86, 234477832), (172, 117238916), (344, 58619458), (688, 29309729), (2179, 9254288), (4358, 4627144), (8716, 2313572), (13451, 1499152), (17432, 1156786), (26902, 749576), (34864, 578393), (53804, 374788), (93697, 215216), (107608, 187394)]