20194649996

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{947}}^1$

素因数の和:1179

約数の個数: 96

約数和(自身を含む): 39191366592

約数和(自身を除く): 18996716596

約数列:

[1, 2, 4, 17, 34, 53, 61, 68, 97, 106, 122, 194, 212, 244, 388, 901, 947, 1037, 1649, 1802, 1894, 2074, 3233, 3298, 3604, 3788, 4148, 5141, 5917, 6466, 6596, 10282, 11834, 12932, 16099, 20564, 23668, 32198, 50191, 54961, 57767, 64396, 87397, 91859, 100382, 100589, 109922, 115534, 174794, 183718, 200764, 201178, 219844, 231068, 313601, 349588, 367436, 402356, 627202, 853247, 982039, 1254404, 1561603, 1706494, 1964078, 3061651, 3123206, 3412988, 3928156, 4868527, 5331217, 5603399, 6123302, 6246412, 9737054, 10662434, 11206798, 12246604, 19474108, 21324868, 22413596, 52048067, 82764959, 95257783, 104096134, 165529918, 190515566, 208192268, 296980147, 331059836, 381031132, 593960294, 1187920588, 5048662499, 10097324998, 20194649996]

約数ペア:

[(1, 20194649996), (2, 10097324998), (4, 5048662499), (17, 1187920588), (34, 593960294), (53, 381031132), (61, 331059836), (68, 296980147), (97, 208192268), (106, 190515566), (122, 165529918), (194, 104096134), (212, 95257783), (244, 82764959), (388, 52048067), (901, 22413596), (947, 21324868), (1037, 19474108), (1649, 12246604), (1802, 11206798), (1894, 10662434), (2074, 9737054), (3233, 6246412), (3298, 6123302), (3604, 5603399), (3788, 5331217), (4148, 4868527), (5141, 3928156), (5917, 3412988), (6466, 3123206), (6596, 3061651), (10282, 1964078), (11834, 1706494), (12932, 1561603), (16099, 1254404), (20564, 982039), (23668, 853247), (32198, 627202), (50191, 402356), (54961, 367436), (57767, 349588), (64396, 313601), (87397, 231068), (91859, 219844), (100382, 201178), (100589, 200764), (109922, 183718), (115534, 174794)]