20996987190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1181}}^1\times {\mathrm{5437}}^1$

素因数の和:6737

約数の個数: 64

約数和(自身を含む): 50907510720

約数和(自身を除く): 29910523530

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 109, 218, 327, 545, 654, 1090, 1181, 1635, 2362, 3270, 3543, 5437, 5905, 7086, 10874, 11810, 16311, 17715, 27185, 32622, 35430, 54370, 81555, 128729, 163110, 257458, 386187, 592633, 643645, 772374, 1185266, 1287290, 1777899, 1930935, 2963165, 3555798, 3861870, 5926330, 6421097, 8889495, 12842194, 17778990, 19263291, 32105485, 38526582, 64210970, 96316455, 192632910, 699899573, 1399799146, 2099698719, 3499497865, 4199397438, 6998995730, 10498493595, 20996987190]

約数ペア:

[(1, 20996987190), (2, 10498493595), (3, 6998995730), (5, 4199397438), (6, 3499497865), (10, 2099698719), (15, 1399799146), (30, 699899573), (109, 192632910), (218, 96316455), (327, 64210970), (545, 38526582), (654, 32105485), (1090, 19263291), (1181, 17778990), (1635, 12842194), (2362, 8889495), (3270, 6421097), (3543, 5926330), (5437, 3861870), (5905, 3555798), (7086, 2963165), (10874, 1930935), (11810, 1777899), (16311, 1287290), (17715, 1185266), (27185, 772374), (32622, 643645), (35430, 592633), (54370, 386187), (81555, 257458), (128729, 163110)]