20137575486

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1229}}^1\times {\mathrm{20533}}^1$

素因数の和:21793

約数の個数: 64

約数和(自身を含む): 48493094400

約数和(自身を除く): 28355518914

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 1229, 2458, 3687, 7374, 8603, 17206, 20533, 23351, 25809, 41066, 46702, 51618, 61599, 70053, 123198, 140106, 143731, 163457, 287462, 326914, 390127, 431193, 490371, 780254, 862386, 980742, 1170381, 2340762, 2730889, 5461778, 8192667, 16385334, 25235057, 50470114, 75705171, 151410342, 176645399, 353290798, 479466083, 529936197, 958932166, 1059872394, 1438398249, 2876796498, 3356262581, 6712525162, 10068787743, 20137575486]

約数ペア:

[(1, 20137575486), (2, 10068787743), (3, 6712525162), (6, 3356262581), (7, 2876796498), (14, 1438398249), (19, 1059872394), (21, 958932166), (38, 529936197), (42, 479466083), (57, 353290798), (114, 176645399), (133, 151410342), (266, 75705171), (399, 50470114), (798, 25235057), (1229, 16385334), (2458, 8192667), (3687, 5461778), (7374, 2730889), (8603, 2340762), (17206, 1170381), (20533, 980742), (23351, 862386), (25809, 780254), (41066, 490371), (46702, 431193), (51618, 390127), (61599, 326914), (70053, 287462), (123198, 163457), (140106, 143731)]