20547480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2063}}^1$

素因数の和:2160

約数の個数: 64

約数和(自身を含む): 62415360

約数和(自身を除く): 41867880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 120, 166, 249, 332, 415, 498, 664, 830, 996, 1245, 1660, 1992, 2063, 2490, 3320, 4126, 4980, 6189, 8252, 9960, 10315, 12378, 16504, 20630, 24756, 30945, 41260, 49512, 61890, 82520, 123780, 171229, 247560, 342458, 513687, 684916, 856145, 1027374, 1369832, 1712290, 2054748, 2568435, 3424580, 4109496, 5136870, 6849160, 10273740, 20547480]

約数ペア:

[(1, 20547480), (2, 10273740), (3, 6849160), (4, 5136870), (5, 4109496), (6, 3424580), (8, 2568435), (10, 2054748), (12, 1712290), (15, 1369832), (20, 1027374), (24, 856145), (30, 684916), (40, 513687), (60, 342458), (83, 247560), (120, 171229), (166, 123780), (249, 82520), (332, 61890), (415, 49512), (498, 41260), (664, 30945), (830, 24756), (996, 20630), (1245, 16504), (1660, 12378), (1992, 10315), (2063, 9960), (2490, 8252), (3320, 6189), (4126, 4980)]