20163893575

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{761}}^1$

素因数の和:1057

約数の個数: 96

約数和(自身を含む): 31022300160

約数和(自身を除く): 10858406585

約数列:

[1, 5, 7, 23, 25, 29, 35, 115, 145, 161, 175, 203, 227, 575, 667, 725, 761, 805, 1015, 1135, 1589, 3335, 3805, 4025, 4669, 5075, 5221, 5327, 5675, 6583, 7945, 16675, 17503, 19025, 22069, 23345, 26105, 26635, 32915, 36547, 39725, 46081, 87515, 110345, 116725, 122521, 130525, 133175, 151409, 154483, 164575, 172747, 182735, 230405, 437575, 507587, 551725, 612605, 757045, 772415, 863735, 913675, 1059863, 1152025, 1209229, 2537935, 3063025, 3553109, 3785225, 3862075, 3973181, 4318675, 5009663, 5299315, 6046145, 12689675, 17765545, 19865905, 25048315, 26496575, 27812267, 30230725, 35067641, 88827725, 99329525, 115222249, 125241575, 139061335, 175338205, 576111245, 695306675, 806555743, 876691025, 2880556225, 4032778715, 20163893575]

約数ペア:

[(1, 20163893575), (5, 4032778715), (7, 2880556225), (23, 876691025), (25, 806555743), (29, 695306675), (35, 576111245), (115, 175338205), (145, 139061335), (161, 125241575), (175, 115222249), (203, 99329525), (227, 88827725), (575, 35067641), (667, 30230725), (725, 27812267), (761, 26496575), (805, 25048315), (1015, 19865905), (1135, 17765545), (1589, 12689675), (3335, 6046145), (3805, 5299315), (4025, 5009663), (4669, 4318675), (5075, 3973181), (5221, 3862075), (5327, 3785225), (5675, 3553109), (6583, 3063025), (7945, 2537935), (16675, 1209229), (17503, 1152025), (19025, 1059863), (22069, 913675), (23345, 863735), (26105, 772415), (26635, 757045), (32915, 612605), (36547, 551725), (39725, 507587), (46081, 437575), (87515, 230405), (110345, 182735), (116725, 172747), (122521, 164575), (130525, 154483), (133175, 151409)]