20990996812808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{137167369}}^1$

素因数の和:137167470

約数の個数: 64

約数和(自身を含む): 45034790918400

約数和(自身を除く): 24043794105592

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 47, 74, 88, 94, 148, 188, 296, 376, 407, 517, 814, 1034, 1628, 1739, 2068, 3256, 3478, 4136, 6956, 13912, 19129, 38258, 76516, 153032, 137167369, 274334738, 548669476, 1097338952, 1508841059, 3017682118, 5075192653, 6035364236, 6446866343, 10150385306, 12070728472, 12893732686, 20300770612, 25787465372, 40601541224, 51574930744, 55827119183, 70915529773, 111654238366, 141831059546, 223308476732, 238534054691, 283662119092, 446616953464, 477068109382, 567324238184, 954136218764, 1908272437528, 2623874601601, 5247749203202, 10495498406404, 20990996812808]

約数ペア:

[(1, 20990996812808), (2, 10495498406404), (4, 5247749203202), (8, 2623874601601), (11, 1908272437528), (22, 954136218764), (37, 567324238184), (44, 477068109382), (47, 446616953464), (74, 283662119092), (88, 238534054691), (94, 223308476732), (148, 141831059546), (188, 111654238366), (296, 70915529773), (376, 55827119183), (407, 51574930744), (517, 40601541224), (814, 25787465372), (1034, 20300770612), (1628, 12893732686), (1739, 12070728472), (2068, 10150385306), (3256, 6446866343), (3478, 6035364236), (4136, 5075192653), (6956, 3017682118), (13912, 1508841059), (19129, 1097338952), (38258, 548669476), (76516, 274334738), (153032, 137167369)]