20024865

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{421}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 40025856

約数和(自身を除く): 20000991

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 151, 315, 421, 453, 755, 1057, 1263, 1359, 2105, 2265, 2947, 3171, 3789, 5285, 6315, 6795, 8841, 9513, 14735, 15855, 18945, 26523, 44205, 47565, 63571, 132615, 190713, 317855, 444997, 572139, 953565, 1334991, 2224985, 2860695, 4004973, 6674955, 20024865]

約数ペア:

[(1, 20024865), (3, 6674955), (5, 4004973), (7, 2860695), (9, 2224985), (15, 1334991), (21, 953565), (35, 572139), (45, 444997), (63, 317855), (105, 190713), (151, 132615), (315, 63571), (421, 47565), (453, 44205), (755, 26523), (1057, 18945), (1263, 15855), (1359, 14735), (2105, 9513), (2265, 8841), (2947, 6795), (3171, 6315), (3789, 5285)]