20824237980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1271321}}^1$

素因数の和:1271356

約数の個数: 144

約数和(自身を含む): 77743882944

約数和(自身を除く): 56919644964

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380, 1271321, 2542642, 3813963, 5085284, 6356605, 7627926, 8899247, 11441889, 12713210, 15255852, 16527173, 17798494, 19069815, 22883778, 25426420, 26697741, 33054346, 35596988, 38139630, 44496235, 45767556, 49581519, 53395482, 57209445, 66108692, 76279260, 80093223, 82635865, 88992470, 99163038, 106790964, 114418890, 115690211, 133488705, 148744557, 160186446, 165271730, 177984940, 198326076, 228837780, 231380422, 247907595, 266977410, 297489114, 320372892, 330543460, 347070633, 400466115, 462760844, 495815190, 533954820, 578451055, 594978228, 694141266, 743722785, 800932230, 991630380, 1041211899, 1156902110, 1388282532, 1487445570, 1601864460, 1735353165, 2082423798, 2313804220, 2974891140, 3470706330, 4164847596, 5206059495, 6941412660, 10412118990, 20824237980]

約数ペア:

[(1, 20824237980), (2, 10412118990), (3, 6941412660), (4, 5206059495), (5, 4164847596), (6, 3470706330), (7, 2974891140), (9, 2313804220), (10, 2082423798), (12, 1735353165), (13, 1601864460), (14, 1487445570), (15, 1388282532), (18, 1156902110), (20, 1041211899), (21, 991630380), (26, 800932230), (28, 743722785), (30, 694141266), (35, 594978228), (36, 578451055), (39, 533954820), (42, 495815190), (45, 462760844), (52, 400466115), (60, 347070633), (63, 330543460), (65, 320372892), (70, 297489114), (78, 266977410), (84, 247907595), (90, 231380422), (91, 228837780), (105, 198326076), (117, 177984940), (126, 165271730), (130, 160186446), (140, 148744557), (156, 133488705), (180, 115690211), (182, 114418890), (195, 106790964), (210, 99163038), (234, 88992470), (252, 82635865), (260, 80093223), (273, 76279260), (315, 66108692), (364, 57209445), (390, 53395482), (420, 49581519), (455, 45767556), (468, 44496235), (546, 38139630), (585, 35596988), (630, 33054346), (780, 26697741), (819, 25426420), (910, 22883778), (1092, 19069815), (1170, 17798494), (1260, 16527173), (1365, 15255852), (1638, 12713210), (1820, 11441889), (2340, 8899247), (2730, 7627926), (3276, 6356605), (4095, 5085284), (5460, 3813963), (8190, 2542642), (16380, 1271321)]