20790123800

素因数分解:

$2^3\times 5^2\times {\mathrm{4973}}^1\times {\mathrm{20903}}^1$

素因数の和:25892

約数の個数: 48

約数和(自身を含む): 48349070640

約数和(自身を除く): 27558946840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 4973, 9946, 19892, 20903, 24865, 39784, 41806, 49730, 83612, 99460, 104515, 124325, 167224, 198920, 209030, 248650, 418060, 497300, 522575, 836120, 994600, 1045150, 2090300, 4180600, 103950619, 207901238, 415802476, 519753095, 831604952, 1039506190, 2079012380, 2598765475, 4158024760, 5197530950, 10395061900, 20790123800]

約数ペア:

[(1, 20790123800), (2, 10395061900), (4, 5197530950), (5, 4158024760), (8, 2598765475), (10, 2079012380), (20, 1039506190), (25, 831604952), (40, 519753095), (50, 415802476), (100, 207901238), (200, 103950619), (4973, 4180600), (9946, 2090300), (19892, 1045150), (20903, 994600), (24865, 836120), (39784, 522575), (41806, 497300), (49730, 418060), (83612, 248650), (99460, 209030), (104515, 198920), (124325, 167224)]