20153214920

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1093}}^1\times {\mathrm{4229}}^1$

素因数の和:5442

約数の個数: 64

約数和(自身を含む): 45813438000

約数和(自身を除く): 25660223080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 1093, 2180, 2186, 4229, 4360, 4372, 5465, 8458, 8744, 10930, 16916, 21145, 21860, 33832, 42290, 43720, 84580, 119137, 169160, 238274, 460961, 476548, 595685, 921922, 953096, 1191370, 1843844, 2304805, 2382740, 3687688, 4609610, 4622297, 4765480, 9219220, 9244594, 18438440, 18489188, 23111485, 36978376, 46222970, 92445940, 184891880, 503830373, 1007660746, 2015321492, 2519151865, 4030642984, 5038303730, 10076607460, 20153214920]

約数ペア:

[(1, 20153214920), (2, 10076607460), (4, 5038303730), (5, 4030642984), (8, 2519151865), (10, 2015321492), (20, 1007660746), (40, 503830373), (109, 184891880), (218, 92445940), (436, 46222970), (545, 36978376), (872, 23111485), (1090, 18489188), (1093, 18438440), (2180, 9244594), (2186, 9219220), (4229, 4765480), (4360, 4622297), (4372, 4609610), (5465, 3687688), (8458, 2382740), (8744, 2304805), (10930, 1843844), (16916, 1191370), (21145, 953096), (21860, 921922), (33832, 595685), (42290, 476548), (43720, 460961), (84580, 238274), (119137, 169160)]