20117580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2521}}^1$

素因数の和:2559

約数の個数: 96

約数和(自身を含む): 67791360

約数和(自身を除く): 47673780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2521, 2660, 3990, 5042, 7563, 7980, 10084, 12605, 15126, 17647, 25210, 30252, 35294, 37815, 47899, 50420, 52941, 70588, 75630, 88235, 95798, 105882, 143697, 151260, 176470, 191596, 211764, 239495, 264705, 287394, 335293, 352940, 478990, 529410, 574788, 670586, 718485, 957980, 1005879, 1058820, 1341172, 1436970, 1676465, 2011758, 2873940, 3352930, 4023516, 5029395, 6705860, 10058790, 20117580]

約数ペア:

[(1, 20117580), (2, 10058790), (3, 6705860), (4, 5029395), (5, 4023516), (6, 3352930), (7, 2873940), (10, 2011758), (12, 1676465), (14, 1436970), (15, 1341172), (19, 1058820), (20, 1005879), (21, 957980), (28, 718485), (30, 670586), (35, 574788), (38, 529410), (42, 478990), (57, 352940), (60, 335293), (70, 287394), (76, 264705), (84, 239495), (95, 211764), (105, 191596), (114, 176470), (133, 151260), (140, 143697), (190, 105882), (210, 95798), (228, 88235), (266, 75630), (285, 70588), (380, 52941), (399, 50420), (420, 47899), (532, 37815), (570, 35294), (665, 30252), (798, 25210), (1140, 17647), (1330, 15126), (1596, 12605), (1995, 10084), (2521, 7980), (2660, 7563), (3990, 5042)]