20121745816

素因数分解:

$2^3\times {\mathrm{29}}^2\times {\mathrm{37}}^1\times {\mathrm{80831}}^1$

素因数の和:80932

約数の個数: 48

約数和(自身を含む): 40130663040

約数和(自身を除く): 20008917224

約数列:

[1, 2, 4, 8, 29, 37, 58, 74, 116, 148, 232, 296, 841, 1073, 1682, 2146, 3364, 4292, 6728, 8584, 31117, 62234, 80831, 124468, 161662, 248936, 323324, 646648, 2344099, 2990747, 4688198, 5981494, 9376396, 11962988, 18752792, 23925976, 67978871, 86731663, 135957742, 173463326, 271915484, 346926652, 543830968, 693853304, 2515218227, 5030436454, 10060872908, 20121745816]

約数ペア:

[(1, 20121745816), (2, 10060872908), (4, 5030436454), (8, 2515218227), (29, 693853304), (37, 543830968), (58, 346926652), (74, 271915484), (116, 173463326), (148, 135957742), (232, 86731663), (296, 67978871), (841, 23925976), (1073, 18752792), (1682, 11962988), (2146, 9376396), (3364, 5981494), (4292, 4688198), (6728, 2990747), (8584, 2344099), (31117, 646648), (62234, 323324), (80831, 248936), (124468, 161662)]