20178262132

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{163673}}^1$

素因数の和:163745

約数の個数: 72

約数和(自身を含む): 44669253384

約数和(自身を除く): 24490991252

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 37, 49, 68, 74, 98, 119, 148, 196, 238, 259, 476, 518, 629, 833, 1036, 1258, 1666, 1813, 2516, 3332, 3626, 4403, 7252, 8806, 17612, 30821, 61642, 123284, 163673, 327346, 654692, 1145711, 2291422, 2782441, 4582844, 5564882, 6055901, 8019977, 11129764, 12111802, 16039954, 19477087, 24223604, 32079908, 38954174, 42391307, 77908348, 84782614, 102950317, 136339609, 169565228, 205900634, 272679218, 296739149, 411801268, 545358436, 593478298, 720652219, 1186956596, 1441304438, 2882608876, 5044565533, 10089131066, 20178262132]

約数ペア:

[(1, 20178262132), (2, 10089131066), (4, 5044565533), (7, 2882608876), (14, 1441304438), (17, 1186956596), (28, 720652219), (34, 593478298), (37, 545358436), (49, 411801268), (68, 296739149), (74, 272679218), (98, 205900634), (119, 169565228), (148, 136339609), (196, 102950317), (238, 84782614), (259, 77908348), (476, 42391307), (518, 38954174), (629, 32079908), (833, 24223604), (1036, 19477087), (1258, 16039954), (1666, 12111802), (1813, 11129764), (2516, 8019977), (3332, 6055901), (3626, 5564882), (4403, 4582844), (7252, 2782441), (8806, 2291422), (17612, 1145711), (30821, 654692), (61642, 327346), (123284, 163673)]