20019374915

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1021}}^1\times {\mathrm{3217}}^1$

素因数の和:4319

約数の個数: 32

約数和(自身を含む): 25573677696

約数和(自身を除く): 5554302781

約数列:

[1, 5, 23, 53, 115, 265, 1021, 1219, 3217, 5105, 6095, 16085, 23483, 54113, 73991, 117415, 170501, 270565, 369955, 852505, 1244599, 3284557, 3921523, 6222995, 16422785, 19607615, 75544811, 174081521, 377724055, 870407605, 4003874983, 20019374915]

約数ペア:

[(1, 20019374915), (5, 4003874983), (23, 870407605), (53, 377724055), (115, 174081521), (265, 75544811), (1021, 19607615), (1219, 16422785), (3217, 6222995), (5105, 3921523), (6095, 3284557), (16085, 1244599), (23483, 852505), (54113, 369955), (73991, 270565), (117415, 170501)]