20970295934

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{172507}}^1$

素因数の和:172992

約数の個数: 32

約数和(自身を含む): 37924158720

約数和(自身を除く): 16953862786

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 457, 914, 3199, 6398, 8683, 17366, 60781, 121562, 172507, 345014, 1207549, 2415098, 3277633, 6555266, 22943431, 45886862, 78835699, 157671398, 551849893, 1103699786, 1497878281, 2995756562, 10485147967, 20970295934]

約数ペア:

[(1, 20970295934), (2, 10485147967), (7, 2995756562), (14, 1497878281), (19, 1103699786), (38, 551849893), (133, 157671398), (266, 78835699), (457, 45886862), (914, 22943431), (3199, 6555266), (6398, 3277633), (8683, 2415098), (17366, 1207549), (60781, 345014), (121562, 172507)]