20123157852

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{609571}}^1$

素因数の和:609719

約数の個数: 72

約数和(自身を含む): 58577430912

約数和(自身を除く): 38454273060

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 131, 252, 262, 393, 524, 786, 917, 1179, 1572, 1834, 2358, 2751, 3668, 4716, 5502, 8253, 11004, 16506, 33012, 609571, 1219142, 1828713, 2438284, 3657426, 4266997, 5486139, 7314852, 8533994, 10972278, 12800991, 17067988, 21944556, 25601982, 38402973, 51203964, 76805946, 79853801, 153611892, 159707602, 239561403, 319415204, 479122806, 558976607, 718684209, 958245612, 1117953214, 1437368418, 1676929821, 2235906428, 2874736836, 3353859642, 5030789463, 6707719284, 10061578926, 20123157852]

約数ペア:

[(1, 20123157852), (2, 10061578926), (3, 6707719284), (4, 5030789463), (6, 3353859642), (7, 2874736836), (9, 2235906428), (12, 1676929821), (14, 1437368418), (18, 1117953214), (21, 958245612), (28, 718684209), (36, 558976607), (42, 479122806), (63, 319415204), (84, 239561403), (126, 159707602), (131, 153611892), (252, 79853801), (262, 76805946), (393, 51203964), (524, 38402973), (786, 25601982), (917, 21944556), (1179, 17067988), (1572, 12800991), (1834, 10972278), (2358, 8533994), (2751, 7314852), (3668, 5486139), (4716, 4266997), (5502, 3657426), (8253, 2438284), (11004, 1828713), (16506, 1219142), (33012, 609571)]