20783575372

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{258721}}^1$

素因数の和:258902

約数の個数: 48

約数和(自身を含む): 44044833280

約数和(自身を除く): 23261257908

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 151, 266, 302, 532, 604, 1057, 2114, 2869, 4228, 5738, 11476, 20083, 40166, 80332, 258721, 517442, 1034884, 1811047, 3622094, 4915699, 7244188, 9831398, 19662796, 34409893, 39066871, 68819786, 78133742, 137639572, 156267484, 273468097, 546936194, 742270549, 1093872388, 1484541098, 2969082196, 5195893843, 10391787686, 20783575372]

約数ペア:

[(1, 20783575372), (2, 10391787686), (4, 5195893843), (7, 2969082196), (14, 1484541098), (19, 1093872388), (28, 742270549), (38, 546936194), (76, 273468097), (133, 156267484), (151, 137639572), (266, 78133742), (302, 68819786), (532, 39066871), (604, 34409893), (1057, 19662796), (2114, 9831398), (2869, 7244188), (4228, 4915699), (5738, 3622094), (11476, 1811047), (20083, 1034884), (40166, 517442), (80332, 258721)]