20162021552

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1\times {\mathrm{1031}}^1$

素因数の和:1602

約数の個数: 80

約数和(自身を含む): 40908810240

約数和(自身を除く): 20746788688

約数列:

[1, 2, 4, 8, 16, 31, 62, 89, 124, 178, 248, 356, 443, 496, 712, 886, 1031, 1424, 1772, 2062, 2759, 3544, 4124, 5518, 7088, 8248, 11036, 13733, 16496, 22072, 27466, 31961, 39427, 44144, 54932, 63922, 78854, 91759, 109864, 127844, 157708, 183518, 219728, 255688, 315416, 367036, 456733, 511376, 630832, 734072, 913466, 1222237, 1468144, 1826932, 2444474, 2844529, 3653864, 4888948, 5689058, 7307728, 9777896, 11378116, 14158723, 19555792, 22756232, 28317446, 40649237, 45512464, 56634892, 81298474, 113269784, 162596948, 226539568, 325193896, 650387792, 1260126347, 2520252694, 5040505388, 10081010776, 20162021552]

約数ペア:

[(1, 20162021552), (2, 10081010776), (4, 5040505388), (8, 2520252694), (16, 1260126347), (31, 650387792), (62, 325193896), (89, 226539568), (124, 162596948), (178, 113269784), (248, 81298474), (356, 56634892), (443, 45512464), (496, 40649237), (712, 28317446), (886, 22756232), (1031, 19555792), (1424, 14158723), (1772, 11378116), (2062, 9777896), (2759, 7307728), (3544, 5689058), (4124, 4888948), (5518, 3653864), (7088, 2844529), (8248, 2444474), (11036, 1826932), (13733, 1468144), (16496, 1222237), (22072, 913466), (27466, 734072), (31961, 630832), (39427, 511376), (44144, 456733), (54932, 367036), (63922, 315416), (78854, 255688), (91759, 219728), (109864, 183518), (127844, 157708)]