20340694

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{659}}^1$

素因数の和:756

約数の個数: 32

約数和(自身を含む): 35354880

約数和(自身を除く): 15014186

約数列:

[1, 2, 11, 22, 23, 46, 61, 122, 253, 506, 659, 671, 1318, 1342, 1403, 2806, 7249, 14498, 15157, 15433, 30314, 30866, 40199, 80398, 166727, 333454, 442189, 884378, 924577, 1849154, 10170347, 20340694]

約数ペア:

[(1, 20340694), (2, 10170347), (11, 1849154), (22, 924577), (23, 884378), (46, 442189), (61, 333454), (122, 166727), (253, 80398), (506, 40199), (659, 30866), (671, 30314), (1318, 15433), (1342, 15157), (1403, 14498), (2806, 7249)]