20149144855

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1\times {\mathrm{1657}}^1$

素因数の和:1984

約数の個数: 64

約数和(自身を含む): 29704568832

約数和(自身を除く): 9555423977

約数列:

[1, 5, 7, 17, 35, 85, 107, 119, 191, 535, 595, 749, 955, 1337, 1657, 1819, 3247, 3745, 6685, 8285, 9095, 11599, 12733, 16235, 20437, 22729, 28169, 57995, 63665, 102185, 113645, 140845, 143059, 177299, 197183, 316487, 347429, 715295, 886495, 985915, 1241093, 1582435, 1737145, 2215409, 2432003, 3014083, 5380279, 6205465, 11077045, 12160015, 15070415, 21098581, 26901395, 33864109, 37661953, 105492905, 169320545, 188309765, 237048763, 575689853, 1185243815, 2878449265, 4029828971, 20149144855]

約数ペア:

[(1, 20149144855), (5, 4029828971), (7, 2878449265), (17, 1185243815), (35, 575689853), (85, 237048763), (107, 188309765), (119, 169320545), (191, 105492905), (535, 37661953), (595, 33864109), (749, 26901395), (955, 21098581), (1337, 15070415), (1657, 12160015), (1819, 11077045), (3247, 6205465), (3745, 5380279), (6685, 3014083), (8285, 2432003), (9095, 2215409), (11599, 1737145), (12733, 1582435), (16235, 1241093), (20437, 985915), (22729, 886495), (28169, 715295), (57995, 347429), (63665, 316487), (102185, 197183), (113645, 177299), (140845, 143059)]