20199111658

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{654413}}^1$

素因数の和:654510

約数の個数: 32

約数和(自身を含む): 35055649152

約数和(自身を除く): 14856537494

約数列:

[1, 2, 11, 22, 23, 46, 61, 122, 253, 506, 671, 1342, 1403, 2806, 15433, 30866, 654413, 1308826, 7198543, 14397086, 15051499, 30102998, 39919193, 79838386, 165566489, 331132978, 439111123, 878222246, 918141439, 1836282878, 10099555829, 20199111658]

約数ペア:

[(1, 20199111658), (2, 10099555829), (11, 1836282878), (22, 918141439), (23, 878222246), (46, 439111123), (61, 331132978), (122, 165566489), (253, 79838386), (506, 39919193), (671, 30102998), (1342, 15051499), (1403, 14397086), (2806, 7198543), (15433, 1308826), (30866, 654413)]