20414100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{9721}}^1$

素因数の和:9745

約数の個数: 72

約数和(自身を含む): 67509568

約数和(自身を除く): 47095468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 9721, 19442, 29163, 38884, 48605, 58326, 68047, 97210, 116652, 136094, 145815, 194420, 204141, 243025, 272188, 291630, 340235, 408282, 486050, 583260, 680470, 729075, 816564, 972100, 1020705, 1360940, 1458150, 1701175, 2041410, 2916300, 3402350, 4082820, 5103525, 6804700, 10207050, 20414100]

約数ペア:

[(1, 20414100), (2, 10207050), (3, 6804700), (4, 5103525), (5, 4082820), (6, 3402350), (7, 2916300), (10, 2041410), (12, 1701175), (14, 1458150), (15, 1360940), (20, 1020705), (21, 972100), (25, 816564), (28, 729075), (30, 680470), (35, 583260), (42, 486050), (50, 408282), (60, 340235), (70, 291630), (75, 272188), (84, 243025), (100, 204141), (105, 194420), (140, 145815), (150, 136094), (175, 116652), (210, 97210), (300, 68047), (350, 58326), (420, 48605), (525, 38884), (700, 29163), (1050, 19442), (2100, 9721)]