20122865980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{9151}}^1$

素因数の和:9419

約数の個数: 96

約数和(自身を含む): 49078149120

約数和(自身を除く): 28955283140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 139, 140, 226, 278, 452, 556, 565, 695, 791, 973, 1130, 1390, 1582, 1946, 2260, 2780, 3164, 3892, 3955, 4865, 7910, 9151, 9730, 15707, 15820, 18302, 19460, 31414, 36604, 45755, 62828, 64057, 78535, 91510, 109949, 128114, 157070, 183020, 219898, 256228, 314140, 320285, 439796, 549745, 640570, 1034063, 1099490, 1271989, 1281140, 2068126, 2198980, 2543978, 4136252, 5087956, 5170315, 6359945, 7238441, 8903923, 10340630, 12719890, 14476882, 17807846, 20681260, 25439780, 28953764, 35615692, 36192205, 44519615, 72384410, 89039230, 143734757, 144768820, 178078460, 287469514, 574939028, 718673785, 1006143299, 1437347570, 2012286598, 2874695140, 4024573196, 5030716495, 10061432990, 20122865980]

約数ペア:

[(1, 20122865980), (2, 10061432990), (4, 5030716495), (5, 4024573196), (7, 2874695140), (10, 2012286598), (14, 1437347570), (20, 1006143299), (28, 718673785), (35, 574939028), (70, 287469514), (113, 178078460), (139, 144768820), (140, 143734757), (226, 89039230), (278, 72384410), (452, 44519615), (556, 36192205), (565, 35615692), (695, 28953764), (791, 25439780), (973, 20681260), (1130, 17807846), (1390, 14476882), (1582, 12719890), (1946, 10340630), (2260, 8903923), (2780, 7238441), (3164, 6359945), (3892, 5170315), (3955, 5087956), (4865, 4136252), (7910, 2543978), (9151, 2198980), (9730, 2068126), (15707, 1281140), (15820, 1271989), (18302, 1099490), (19460, 1034063), (31414, 640570), (36604, 549745), (45755, 439796), (62828, 320285), (64057, 314140), (78535, 256228), (91510, 219898), (109949, 183020), (128114, 157070)]