20163340724

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{97}}^1\times {\mathrm{193}}^1\times {\mathrm{509}}^1$

素因数の和:849

約数の個数: 72

約数和(自身を含む): 37533680520

約数和(自身を除く): 17370339796

約数列:

[1, 2, 4, 23, 46, 92, 97, 193, 194, 386, 388, 509, 529, 772, 1018, 1058, 2036, 2116, 2231, 4439, 4462, 8878, 8924, 11707, 17756, 18721, 23414, 37442, 46828, 49373, 51313, 74884, 98237, 98746, 102097, 102626, 196474, 197492, 204194, 205252, 269261, 392948, 408388, 430583, 538522, 861166, 1077044, 1135579, 1722332, 2259451, 2271158, 4518902, 4542316, 9037804, 9528989, 9903409, 19057978, 19806818, 26118317, 38115956, 39613636, 51967373, 52236634, 103934746, 104473268, 207869492, 219166747, 438333494, 876666988, 5040835181, 10081670362, 20163340724]

約数ペア:

[(1, 20163340724), (2, 10081670362), (4, 5040835181), (23, 876666988), (46, 438333494), (92, 219166747), (97, 207869492), (193, 104473268), (194, 103934746), (386, 52236634), (388, 51967373), (509, 39613636), (529, 38115956), (772, 26118317), (1018, 19806818), (1058, 19057978), (2036, 9903409), (2116, 9528989), (2231, 9037804), (4439, 4542316), (4462, 4518902), (8878, 2271158), (8924, 2259451), (11707, 1722332), (17756, 1135579), (18721, 1077044), (23414, 861166), (37442, 538522), (46828, 430583), (49373, 408388), (51313, 392948), (74884, 269261), (98237, 205252), (98746, 204194), (102097, 197492), (102626, 196474)]