20036320

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1291}}^1$

素因数の和:1403

約数の個数: 48

約数和(自身を含む): 47860848

約数和(自身を除く): 27824528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1291, 1552, 1940, 2582, 3104, 3880, 5164, 6455, 7760, 10328, 12910, 15520, 20656, 25820, 41312, 51640, 103280, 125227, 206560, 250454, 500908, 626135, 1001816, 1252270, 2003632, 2504540, 4007264, 5009080, 10018160, 20036320]

約数ペア:

[(1, 20036320), (2, 10018160), (4, 5009080), (5, 4007264), (8, 2504540), (10, 2003632), (16, 1252270), (20, 1001816), (32, 626135), (40, 500908), (80, 250454), (97, 206560), (160, 125227), (194, 103280), (388, 51640), (485, 41312), (776, 25820), (970, 20656), (1291, 15520), (1552, 12910), (1940, 10328), (2582, 7760), (3104, 6455), (3880, 5164)]