20115840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10477}}^1$

素因数の和:10499

約数の個数: 64

約数和(自身を含む): 64125360

約数和(自身を除く): 44009520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 10477, 20954, 31431, 41908, 52385, 62862, 83816, 104770, 125724, 157155, 167632, 209540, 251448, 314310, 335264, 419080, 502896, 628620, 670528, 838160, 1005792, 1257240, 1341056, 1676320, 2011584, 2514480, 3352640, 4023168, 5028960, 6705280, 10057920, 20115840]

約数ペア:

[(1, 20115840), (2, 10057920), (3, 6705280), (4, 5028960), (5, 4023168), (6, 3352640), (8, 2514480), (10, 2011584), (12, 1676320), (15, 1341056), (16, 1257240), (20, 1005792), (24, 838160), (30, 670528), (32, 628620), (40, 502896), (48, 419080), (60, 335264), (64, 314310), (80, 251448), (96, 209540), (120, 167632), (128, 157155), (160, 125724), (192, 104770), (240, 83816), (320, 62862), (384, 52385), (480, 41908), (640, 31431), (960, 20954), (1920, 10477)]