20496592

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{353}}^1$

素因数の和:571

約数の個数: 40

約数和(自身を含む): 42140160

約数和(自身を除く): 21643568

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 191, 304, 353, 382, 706, 764, 1412, 1528, 2824, 3056, 3629, 5648, 6707, 7258, 13414, 14516, 26828, 29032, 53656, 58064, 67423, 107312, 134846, 269692, 539384, 1078768, 1281037, 2562074, 5124148, 10248296, 20496592]

約数ペア:

[(1, 20496592), (2, 10248296), (4, 5124148), (8, 2562074), (16, 1281037), (19, 1078768), (38, 539384), (76, 269692), (152, 134846), (191, 107312), (304, 67423), (353, 58064), (382, 53656), (706, 29032), (764, 26828), (1412, 14516), (1528, 13414), (2824, 7258), (3056, 6707), (3629, 5648)]