20718588

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{751}}^1$

素因数の和:799

約数の個数: 72

約数和(自身を含む): 56008960

約数和(自身を除く): 35290372

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 44, 57, 66, 76, 114, 121, 132, 209, 228, 242, 363, 418, 484, 627, 726, 751, 836, 1254, 1452, 1502, 2253, 2299, 2508, 3004, 4506, 4598, 6897, 8261, 9012, 9196, 13794, 14269, 16522, 24783, 27588, 28538, 33044, 42807, 49566, 57076, 85614, 90871, 99132, 156959, 171228, 181742, 272613, 313918, 363484, 470877, 545226, 627836, 941754, 1090452, 1726549, 1883508, 3453098, 5179647, 6906196, 10359294, 20718588]

約数ペア:

[(1, 20718588), (2, 10359294), (3, 6906196), (4, 5179647), (6, 3453098), (11, 1883508), (12, 1726549), (19, 1090452), (22, 941754), (33, 627836), (38, 545226), (44, 470877), (57, 363484), (66, 313918), (76, 272613), (114, 181742), (121, 171228), (132, 156959), (209, 99132), (228, 90871), (242, 85614), (363, 57076), (418, 49566), (484, 42807), (627, 33044), (726, 28538), (751, 27588), (836, 24783), (1254, 16522), (1452, 14269), (1502, 13794), (2253, 9196), (2299, 9012), (2508, 8261), (3004, 6897), (4506, 4598)]