20138040016

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{283}}^1\times {\mathrm{293}}^1\times {\mathrm{353}}^1$

素因数の和:980

約数の個数: 80

約数和(自身を含む): 40316544576

約数和(自身を除く): 20178504560

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 283, 293, 344, 353, 566, 586, 688, 706, 1132, 1172, 1412, 2264, 2344, 2824, 4528, 4688, 5648, 12169, 12599, 15179, 24338, 25198, 30358, 48676, 50396, 60716, 82919, 97352, 99899, 100792, 103429, 121432, 165838, 194704, 199798, 201584, 206858, 242864, 331676, 399596, 413716, 663352, 799192, 827432, 1326704, 1598384, 1654864, 3565517, 4295657, 4447447, 7131034, 8591314, 8894894, 14262068, 17182628, 17789788, 28524136, 29270407, 34365256, 35579576, 57048272, 58540814, 68730512, 71159152, 117081628, 234163256, 468326512, 1258627501, 2517255002, 5034510004, 10069020008, 20138040016]

約数ペア:

[(1, 20138040016), (2, 10069020008), (4, 5034510004), (8, 2517255002), (16, 1258627501), (43, 468326512), (86, 234163256), (172, 117081628), (283, 71159152), (293, 68730512), (344, 58540814), (353, 57048272), (566, 35579576), (586, 34365256), (688, 29270407), (706, 28524136), (1132, 17789788), (1172, 17182628), (1412, 14262068), (2264, 8894894), (2344, 8591314), (2824, 7131034), (4528, 4447447), (4688, 4295657), (5648, 3565517), (12169, 1654864), (12599, 1598384), (15179, 1326704), (24338, 827432), (25198, 799192), (30358, 663352), (48676, 413716), (50396, 399596), (60716, 331676), (82919, 242864), (97352, 206858), (99899, 201584), (100792, 199798), (103429, 194704), (121432, 165838)]