20076375

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 37859328

約数和(自身を除く): 17782953

約数列:

[1, 3, 5, 11, 15, 25, 31, 33, 55, 75, 93, 125, 155, 157, 165, 275, 341, 375, 465, 471, 775, 785, 825, 1023, 1375, 1705, 1727, 2325, 2355, 3875, 3925, 4125, 4867, 5115, 5181, 8525, 8635, 11625, 11775, 14601, 19625, 24335, 25575, 25905, 42625, 43175, 53537, 58875, 73005, 121675, 127875, 129525, 160611, 215875, 267685, 365025, 608375, 647625, 803055, 1338425, 1825125, 4015275, 6692125, 20076375]

約数ペア:

[(1, 20076375), (3, 6692125), (5, 4015275), (11, 1825125), (15, 1338425), (25, 803055), (31, 647625), (33, 608375), (55, 365025), (75, 267685), (93, 215875), (125, 160611), (155, 129525), (157, 127875), (165, 121675), (275, 73005), (341, 58875), (375, 53537), (465, 43175), (471, 42625), (775, 25905), (785, 25575), (825, 24335), (1023, 19625), (1375, 14601), (1705, 11775), (1727, 11625), (2325, 8635), (2355, 8525), (3875, 5181), (3925, 5115), (4125, 4867)]