20853859156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1871}}^1\times {\mathrm{2081}}^1$

素因数の和:4072

約数の個数: 48

約数和(自身を含む): 39723360768

約数和(自身を除く): 18869501612

約数列:

[1, 2, 4, 13, 26, 52, 103, 206, 412, 1339, 1871, 2081, 2678, 3742, 4162, 5356, 7484, 8324, 24323, 27053, 48646, 54106, 97292, 108212, 192713, 214343, 385426, 428686, 770852, 857372, 2505269, 2786459, 3893551, 5010538, 5572918, 7787102, 10021076, 11145836, 15574204, 50616163, 101232326, 202464652, 401035753, 802071506, 1604143012, 5213464789, 10426929578, 20853859156]

約数ペア:

[(1, 20853859156), (2, 10426929578), (4, 5213464789), (13, 1604143012), (26, 802071506), (52, 401035753), (103, 202464652), (206, 101232326), (412, 50616163), (1339, 15574204), (1871, 11145836), (2081, 10021076), (2678, 7787102), (3742, 5572918), (4162, 5010538), (5356, 3893551), (7484, 2786459), (8324, 2505269), (24323, 857372), (27053, 770852), (48646, 428686), (54106, 385426), (97292, 214343), (108212, 192713)]