20925024248

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{419}}^1\times {\mathrm{70141}}^1$

素因数の和:70655

約数の個数: 32

約数和(自身を含む): 39770514000

約数和(自身を除く): 18845489752

約数列:

[1, 2, 4, 8, 89, 178, 356, 419, 712, 838, 1676, 3352, 37291, 70141, 74582, 140282, 149164, 280564, 298328, 561128, 6242549, 12485098, 24970196, 29389079, 49940392, 58778158, 117556316, 235112632, 2615628031, 5231256062, 10462512124, 20925024248]

約数ペア:

[(1, 20925024248), (2, 10462512124), (4, 5231256062), (8, 2615628031), (89, 235112632), (178, 117556316), (356, 58778158), (419, 49940392), (712, 29389079), (838, 24970196), (1676, 12485098), (3352, 6242549), (37291, 561128), (70141, 298328), (74582, 280564), (140282, 149164)]