20149601836

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{255097}}^1$

素因数の和:255159

約数の個数: 72

約数和(自身を含む): 45599277696

約数和(自身を除く): 25449675860

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 49, 52, 62, 91, 98, 124, 182, 196, 217, 364, 403, 434, 637, 806, 868, 1274, 1519, 1612, 2548, 2821, 3038, 5642, 6076, 11284, 19747, 39494, 78988, 255097, 510194, 1020388, 1785679, 3316261, 3571358, 6632522, 7142716, 7908007, 12499753, 13265044, 15816014, 23213827, 24999506, 31632028, 46427654, 49999012, 55356049, 92855308, 102804091, 110712098, 162496789, 205608182, 221424196, 324993578, 387492343, 411216364, 649987156, 719628637, 774984686, 1439257274, 1549969372, 2878514548, 5037400459, 10074800918, 20149601836]

約数ペア:

[(1, 20149601836), (2, 10074800918), (4, 5037400459), (7, 2878514548), (13, 1549969372), (14, 1439257274), (26, 774984686), (28, 719628637), (31, 649987156), (49, 411216364), (52, 387492343), (62, 324993578), (91, 221424196), (98, 205608182), (124, 162496789), (182, 110712098), (196, 102804091), (217, 92855308), (364, 55356049), (403, 49999012), (434, 46427654), (637, 31632028), (806, 24999506), (868, 23213827), (1274, 15816014), (1519, 13265044), (1612, 12499753), (2548, 7908007), (2821, 7142716), (3038, 6632522), (5642, 3571358), (6076, 3316261), (11284, 1785679), (19747, 1020388), (39494, 510194), (78988, 255097)]