20126199436

素因数分解:

$2^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{13003}}^1$

素因数の和:13223

約数の個数: 72

約数和(自身を含む): 42027627600

約数和(自身を除く): 21901428164

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 98, 106, 149, 196, 212, 298, 371, 596, 742, 1043, 1484, 2086, 2597, 4172, 5194, 7301, 7897, 10388, 13003, 14602, 15794, 26006, 29204, 31588, 52012, 55279, 91021, 110558, 182042, 221116, 364084, 386953, 637147, 689159, 773906, 1274294, 1378318, 1547812, 1937447, 2548588, 2756636, 3874894, 4824113, 7749788, 9648226, 13562129, 19296452, 27124258, 33768791, 54248516, 67537582, 94934903, 102684691, 135075164, 189869806, 205369382, 379739612, 410738764, 718792837, 1437585674, 2875171348, 5031549859, 10063099718, 20126199436]

約数ペア:

[(1, 20126199436), (2, 10063099718), (4, 5031549859), (7, 2875171348), (14, 1437585674), (28, 718792837), (49, 410738764), (53, 379739612), (98, 205369382), (106, 189869806), (149, 135075164), (196, 102684691), (212, 94934903), (298, 67537582), (371, 54248516), (596, 33768791), (742, 27124258), (1043, 19296452), (1484, 13562129), (2086, 9648226), (2597, 7749788), (4172, 4824113), (5194, 3874894), (7301, 2756636), (7897, 2548588), (10388, 1937447), (13003, 1547812), (14602, 1378318), (15794, 1274294), (26006, 773906), (29204, 689159), (31588, 637147), (52012, 386953), (55279, 364084), (91021, 221116), (110558, 182042)]