20397701966

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{1031}}^1$

素因数の和:1329

約数の個数: 64

約数和(自身を含む): 33321480192

約数和(自身を除く): 12923778226

約数列:

[1, 2, 31, 41, 43, 62, 82, 86, 181, 362, 1031, 1271, 1333, 1763, 2062, 2542, 2666, 3526, 5611, 7421, 7783, 11222, 14842, 15566, 31961, 42271, 44333, 54653, 63922, 84542, 88666, 109306, 186611, 230051, 241273, 319103, 373222, 460102, 482546, 638206, 1310401, 1374323, 1817653, 2620802, 2748646, 3635306, 5784941, 7651051, 8024273, 9892193, 11569882, 15302102, 16048546, 19784386, 56347243, 112694486, 237182581, 248752463, 328995193, 474365162, 497504926, 657990386, 10198850983, 20397701966]

約数ペア:

[(1, 20397701966), (2, 10198850983), (31, 657990386), (41, 497504926), (43, 474365162), (62, 328995193), (82, 248752463), (86, 237182581), (181, 112694486), (362, 56347243), (1031, 19784386), (1271, 16048546), (1333, 15302102), (1763, 11569882), (2062, 9892193), (2542, 8024273), (2666, 7651051), (3526, 5784941), (5611, 3635306), (7421, 2748646), (7783, 2620802), (11222, 1817653), (14842, 1374323), (15566, 1310401), (31961, 638206), (42271, 482546), (44333, 460102), (54653, 373222), (63922, 319103), (84542, 241273), (88666, 230051), (109306, 186611)]