20224578025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{431}}^1\times {\mathrm{443}}^1$

素因数の和:1126

約数の個数: 48

約数和(自身を含む): 26638295040

約数和(自身を除く): 6413717015

約数列:

[1, 5, 19, 25, 95, 223, 431, 443, 475, 1115, 2155, 2215, 4237, 5575, 8189, 8417, 10775, 11075, 21185, 40945, 42085, 96113, 98789, 105925, 190933, 204725, 210425, 480565, 493945, 954665, 1826147, 1876991, 2402825, 2469725, 3627727, 4773325, 9130735, 9384955, 18138635, 42578059, 45653675, 46924775, 90693175, 212890295, 808983121, 1064451475, 4044915605, 20224578025]

約数ペア:

[(1, 20224578025), (5, 4044915605), (19, 1064451475), (25, 808983121), (95, 212890295), (223, 90693175), (431, 46924775), (443, 45653675), (475, 42578059), (1115, 18138635), (2155, 9384955), (2215, 9130735), (4237, 4773325), (5575, 3627727), (8189, 2469725), (8417, 2402825), (10775, 1876991), (11075, 1826147), (21185, 954665), (40945, 493945), (42085, 480565), (96113, 210425), (98789, 204725), (105925, 190933)]