20607780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18077}}^1$

素因数の和:18108

約数の個数: 48

約数和(自身を含む): 60742080

約数和(自身を除く): 40134300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 18077, 36154, 54231, 72308, 90385, 108462, 180770, 216924, 271155, 343463, 361540, 542310, 686926, 1030389, 1084620, 1373852, 1717315, 2060778, 3434630, 4121556, 5151945, 6869260, 10303890, 20607780]

約数ペア:

[(1, 20607780), (2, 10303890), (3, 6869260), (4, 5151945), (5, 4121556), (6, 3434630), (10, 2060778), (12, 1717315), (15, 1373852), (19, 1084620), (20, 1030389), (30, 686926), (38, 542310), (57, 361540), (60, 343463), (76, 271155), (95, 216924), (114, 180770), (190, 108462), (228, 90385), (285, 72308), (380, 54231), (570, 36154), (1140, 18077)]