20409291480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{128749}}^1$

素因数の和:130084

約数の個数: 64

約数和(自身を含む): 61274700000

約数和(自身を除く): 40865408520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1321, 2642, 3963, 5284, 6605, 7926, 10568, 13210, 15852, 19815, 26420, 31704, 39630, 52840, 79260, 128749, 158520, 257498, 386247, 514996, 643745, 772494, 1029992, 1287490, 1544988, 1931235, 2574980, 3089976, 3862470, 5149960, 7724940, 15449880, 170077429, 340154858, 510232287, 680309716, 850387145, 1020464574, 1360619432, 1700774290, 2040929148, 2551161435, 3401548580, 4081858296, 5102322870, 6803097160, 10204645740, 20409291480]

約数ペア:

[(1, 20409291480), (2, 10204645740), (3, 6803097160), (4, 5102322870), (5, 4081858296), (6, 3401548580), (8, 2551161435), (10, 2040929148), (12, 1700774290), (15, 1360619432), (20, 1020464574), (24, 850387145), (30, 680309716), (40, 510232287), (60, 340154858), (120, 170077429), (1321, 15449880), (2642, 7724940), (3963, 5149960), (5284, 3862470), (6605, 3089976), (7926, 2574980), (10568, 1931235), (13210, 1544988), (15852, 1287490), (19815, 1029992), (26420, 772494), (31704, 643745), (39630, 514996), (52840, 386247), (79260, 257498), (128749, 158520)]