20163480075

素因数分解:

$3^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{269}}^1\times {\mathrm{4217}}^1$

素因数の和:4581

約数の個数: 72

約数和(自身を含む): 36716846400

約数和(自身を除く): 16553366325

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 79, 225, 237, 269, 395, 711, 807, 1185, 1345, 1975, 2421, 3555, 4035, 4217, 5925, 6725, 12105, 12651, 17775, 20175, 21085, 21251, 37953, 60525, 63255, 63753, 105425, 106255, 189765, 191259, 316275, 318765, 333143, 531275, 948825, 956295, 999429, 1134373, 1593825, 1665715, 2998287, 3403119, 4781475, 4997145, 5671865, 8328575, 10209357, 14991435, 17015595, 24985725, 28359325, 51046785, 74957175, 85077975, 89615467, 255233925, 268846401, 448077335, 806539203, 1344232005, 2240386675, 4032696015, 6721160025, 20163480075]

約数ペア:

[(1, 20163480075), (3, 6721160025), (5, 4032696015), (9, 2240386675), (15, 1344232005), (25, 806539203), (45, 448077335), (75, 268846401), (79, 255233925), (225, 89615467), (237, 85077975), (269, 74957175), (395, 51046785), (711, 28359325), (807, 24985725), (1185, 17015595), (1345, 14991435), (1975, 10209357), (2421, 8328575), (3555, 5671865), (4035, 4997145), (4217, 4781475), (5925, 3403119), (6725, 2998287), (12105, 1665715), (12651, 1593825), (17775, 1134373), (20175, 999429), (21085, 956295), (21251, 948825), (37953, 531275), (60525, 333143), (63255, 318765), (63753, 316275), (105425, 191259), (106255, 189765)]