620968688

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{1251953}}^1$

素因数の和:1251992

約数の個数: 20

約数和(自身を含む): 1241938368

約数和(自身を除く): 620969680

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 1251953, 2503906, 5007812, 10015624, 20031248, 38810543, 77621086, 155242172, 310484344, 620968688]

約数ペア:

[(1, 620968688), (2, 310484344), (4, 155242172), (8, 77621086), (16, 38810543), (31, 20031248), (62, 10015624), (124, 5007812), (248, 2503906), (496, 1251953)]