20292290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{977}}^1$

素因数の和:1082

約数の個数: 32

約数和(自身を含む): 38306304

約数和(自身を除く): 18014014

約数列:

[1, 2, 5, 10, 31, 62, 67, 134, 155, 310, 335, 670, 977, 1954, 2077, 4154, 4885, 9770, 10385, 20770, 30287, 60574, 65459, 130918, 151435, 302870, 327295, 654590, 2029229, 4058458, 10146145, 20292290]

約数ペア:

[(1, 20292290), (2, 10146145), (5, 4058458), (10, 2029229), (31, 654590), (62, 327295), (67, 302870), (134, 151435), (155, 130918), (310, 65459), (335, 60574), (670, 30287), (977, 20770), (1954, 10385), (2077, 9770), (4154, 4885)]