20784447809972

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{158621}}^1\times {\mathrm{22391}}^1$

素因数の和:181053

約数の個数: 96

約数和(自身を含む): 47737049794560

約数和(自身を除く): 26952601984588

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 532, 836, 1463, 2926, 5852, 22391, 44782, 89564, 156737, 158621, 246301, 313474, 317242, 425429, 492602, 626948, 634484, 850858, 985204, 1110347, 1701716, 1724107, 1744831, 2220694, 2978003, 3013799, 3448214, 3489662, 4441388, 4679719, 5956006, 6027598, 6896428, 6979324, 9359438, 11912012, 12055196, 12213817, 18718876, 21096593, 24427634, 32758033, 33151789, 42193186, 48855268, 65516066, 66303578, 84386372, 131032132, 132607156, 232062523, 464125046, 928250092, 3551682811, 7103365622, 14206731244, 24861779677, 39068510921, 49723559354, 67481973409, 78137021842, 99447118708, 134963946818, 156274043684, 269927893636, 273479576447, 472373813863, 546959152894, 742301707499, 944747627726, 1093918305788, 1484603414998, 1889495255452, 2969206829996, 5196111952493, 10392223904986, 20784447809972]

約数ペア:

[(1, 20784447809972), (2, 10392223904986), (4, 5196111952493), (7, 2969206829996), (11, 1889495255452), (14, 1484603414998), (19, 1093918305788), (22, 944747627726), (28, 742301707499), (38, 546959152894), (44, 472373813863), (76, 273479576447), (77, 269927893636), (133, 156274043684), (154, 134963946818), (209, 99447118708), (266, 78137021842), (308, 67481973409), (418, 49723559354), (532, 39068510921), (836, 24861779677), (1463, 14206731244), (2926, 7103365622), (5852, 3551682811), (22391, 928250092), (44782, 464125046), (89564, 232062523), (156737, 132607156), (158621, 131032132), (246301, 84386372), (313474, 66303578), (317242, 65516066), (425429, 48855268), (492602, 42193186), (626948, 33151789), (634484, 32758033), (850858, 24427634), (985204, 21096593), (1110347, 18718876), (1701716, 12213817), (1724107, 12055196), (1744831, 11912012), (2220694, 9359438), (2978003, 6979324), (3013799, 6896428), (3448214, 6027598), (3489662, 5956006), (4441388, 4679719)]