20218620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{336977}}^1$

素因数の和:336989

約数の個数: 24

約数和(自身を含む): 56612304

約数和(自身を除く): 36393684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 336977, 673954, 1010931, 1347908, 1684885, 2021862, 3369770, 4043724, 5054655, 6739540, 10109310, 20218620]

約数ペア:

[(1, 20218620), (2, 10109310), (3, 6739540), (4, 5054655), (5, 4043724), (6, 3369770), (10, 2021862), (12, 1684885), (15, 1347908), (20, 1010931), (30, 673954), (60, 336977)]