20790881632

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{246011}}^1$

素因数の和:246179

約数の個数: 48

約数和(自身を含む): 43396516800

約数和(自身を除く): 22605635168

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 139, 152, 278, 304, 556, 608, 1112, 2224, 2641, 4448, 5282, 10564, 21128, 42256, 84512, 246011, 492022, 984044, 1968088, 3936176, 4674209, 7872352, 9348418, 18696836, 34195529, 37393672, 68391058, 74787344, 136782116, 149574688, 273564232, 547128464, 649715051, 1094256928, 1299430102, 2598860204, 5197720408, 10395440816, 20790881632]

約数ペア:

[(1, 20790881632), (2, 10395440816), (4, 5197720408), (8, 2598860204), (16, 1299430102), (19, 1094256928), (32, 649715051), (38, 547128464), (76, 273564232), (139, 149574688), (152, 136782116), (278, 74787344), (304, 68391058), (556, 37393672), (608, 34195529), (1112, 18696836), (2224, 9348418), (2641, 7872352), (4448, 4674209), (5282, 3936176), (10564, 1968088), (21128, 984044), (42256, 492022), (84512, 246011)]