20216143875

素因数分解:

$3^1\times 5^3\times {\mathrm{509}}^1\times {\mathrm{105913}}^1$

素因数の和:106440

約数の個数: 32

約数和(自身を含む): 33706071360

約数和(自身を除く): 13489927485

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 509, 1527, 2545, 7635, 12725, 38175, 63625, 105913, 190875, 317739, 529565, 1588695, 2647825, 7943475, 13239125, 39717375, 53909717, 161729151, 269548585, 808645755, 1347742925, 4043228775, 6738714625, 20216143875]

約数ペア:

[(1, 20216143875), (3, 6738714625), (5, 4043228775), (15, 1347742925), (25, 808645755), (75, 269548585), (125, 161729151), (375, 53909717), (509, 39717375), (1527, 13239125), (2545, 7943475), (7635, 2647825), (12725, 1588695), (38175, 529565), (63625, 317739), (105913, 190875)]