20194292048

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:581

約数の個数: 160

約数和(自身を含む): 46586327808

約数和(自身を除く): 26392035760

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 67, 112, 122, 134, 157, 244, 268, 281, 314, 427, 469, 488, 536, 562, 628, 854, 938, 976, 1072, 1099, 1124, 1256, 1708, 1876, 1967, 2198, 2248, 2512, 3416, 3752, 3934, 4087, 4396, 4496, 6832, 7504, 7868, 8174, 8792, 9577, 10519, 15736, 16348, 17141, 17584, 18827, 19154, 21038, 28609, 31472, 32696, 34282, 37654, 38308, 42076, 44117, 57218, 65392, 67039, 68564, 73633, 75308, 76616, 84152, 88234, 114436, 119987, 131789, 134078, 137128, 147266, 150616, 153232, 168304, 176468, 228872, 239974, 263578, 268156, 274256, 294532, 301232, 308819, 352936, 457744, 479948, 527156, 536312, 589064, 617638, 641659, 705872, 959896, 1054312, 1072624, 1148447, 1178128, 1235276, 1283318, 1919792, 2108624, 2296894, 2470552, 2566636, 2691137, 2955839, 4491613, 4593788, 4941104, 5133272, 5382274, 5911678, 8039129, 8983226, 9187576, 10266544, 10764548, 11823356, 16078258, 17966452, 18375152, 18837959, 20690873, 21529096, 23646712, 32156516, 35932904, 37675918, 41381746, 43058192, 47293424, 64313032, 71865808, 75351836, 82763492, 128626064, 150703672, 165526984, 180306179, 301407344, 331053968, 360612358, 721224716, 1262143253, 1442449432, 2524286506, 2884898864, 5048573012, 10097146024, 20194292048]

約数ペア:

[(1, 20194292048), (2, 10097146024), (4, 5048573012), (7, 2884898864), (8, 2524286506), (14, 1442449432), (16, 1262143253), (28, 721224716), (56, 360612358), (61, 331053968), (67, 301407344), (112, 180306179), (122, 165526984), (134, 150703672), (157, 128626064), (244, 82763492), (268, 75351836), (281, 71865808), (314, 64313032), (427, 47293424), (469, 43058192), (488, 41381746), (536, 37675918), (562, 35932904), (628, 32156516), (854, 23646712), (938, 21529096), (976, 20690873), (1072, 18837959), (1099, 18375152), (1124, 17966452), (1256, 16078258), (1708, 11823356), (1876, 10764548), (1967, 10266544), (2198, 9187576), (2248, 8983226), (2512, 8039129), (3416, 5911678), (3752, 5382274), (3934, 5133272), (4087, 4941104), (4396, 4593788), (4496, 4491613), (6832, 2955839), (7504, 2691137), (7868, 2566636), (8174, 2470552), (8792, 2296894), (9577, 2108624), (10519, 1919792), (15736, 1283318), (16348, 1235276), (17141, 1178128), (17584, 1148447), (18827, 1072624), (19154, 1054312), (21038, 959896), (28609, 705872), (31472, 641659), (32696, 617638), (34282, 589064), (37654, 536312), (38308, 527156), (42076, 479948), (44117, 457744), (57218, 352936), (65392, 308819), (67039, 301232), (68564, 294532), (73633, 274256), (75308, 268156), (76616, 263578), (84152, 239974), (88234, 228872), (114436, 176468), (119987, 168304), (131789, 153232), (134078, 150616), (137128, 147266)]