20784433878

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1070149}}^1$

素因数の和:1070253

約数の個数: 48

約数和(自身を含む): 49081359600

約数和(自身を除く): 28296925722

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 83, 117, 166, 234, 249, 498, 747, 1079, 1494, 2158, 3237, 6474, 9711, 19422, 1070149, 2140298, 3210447, 6420894, 9631341, 13911937, 19262682, 27823874, 41735811, 83471622, 88822367, 125207433, 177644734, 250414866, 266467101, 532934202, 799401303, 1154690771, 1598802606, 2309381542, 3464072313, 6928144626, 10392216939, 20784433878]

約数ペア:

[(1, 20784433878), (2, 10392216939), (3, 6928144626), (6, 3464072313), (9, 2309381542), (13, 1598802606), (18, 1154690771), (26, 799401303), (39, 532934202), (78, 266467101), (83, 250414866), (117, 177644734), (166, 125207433), (234, 88822367), (249, 83471622), (498, 41735811), (747, 27823874), (1079, 19262682), (1494, 13911937), (2158, 9631341), (3237, 6420894), (6474, 3210447), (9711, 2140298), (19422, 1070149)]