20201421776

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{253481}}^1$

素因数の和:253799

約数の個数: 40

約数和(自身を含む): 41584229064

約数和(自身を除く): 21382807288

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 293, 586, 1172, 2344, 4688, 4981, 9962, 19924, 39848, 79696, 253481, 506962, 1013924, 2027848, 4055696, 4309177, 8618354, 17236708, 34473416, 68946832, 74269933, 148539866, 297079732, 594159464, 1188318928, 1262588861, 2525177722, 5050355444, 10100710888, 20201421776]

約数ペア:

[(1, 20201421776), (2, 10100710888), (4, 5050355444), (8, 2525177722), (16, 1262588861), (17, 1188318928), (34, 594159464), (68, 297079732), (136, 148539866), (272, 74269933), (293, 68946832), (586, 34473416), (1172, 17236708), (2344, 8618354), (4688, 4309177), (4981, 4055696), (9962, 2027848), (19924, 1013924), (39848, 506962), (79696, 253481)]