20436240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7741}}^1$

素因数の和:7768

約数の個数: 80

約数和(自身を含む): 69120576

約数和(自身を除く): 48684336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 7741, 15482, 23223, 30964, 38705, 46446, 61928, 77410, 85151, 92892, 116115, 123856, 154820, 170302, 185784, 232230, 255453, 309640, 340604, 371568, 425755, 464460, 510906, 619280, 681208, 851510, 928920, 1021812, 1277265, 1362416, 1703020, 1857840, 2043624, 2554530, 3406040, 4087248, 5109060, 6812080, 10218120, 20436240]

約数ペア:

[(1, 20436240), (2, 10218120), (3, 6812080), (4, 5109060), (5, 4087248), (6, 3406040), (8, 2554530), (10, 2043624), (11, 1857840), (12, 1703020), (15, 1362416), (16, 1277265), (20, 1021812), (22, 928920), (24, 851510), (30, 681208), (33, 619280), (40, 510906), (44, 464460), (48, 425755), (55, 371568), (60, 340604), (66, 309640), (80, 255453), (88, 232230), (110, 185784), (120, 170302), (132, 154820), (165, 123856), (176, 116115), (220, 92892), (240, 85151), (264, 77410), (330, 61928), (440, 46446), (528, 38705), (660, 30964), (880, 23223), (1320, 15482), (2640, 7741)]