20246096

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:196

約数の個数: 80

約数和(自身を含む): 45830400

約数和(自身を除く): 25584304

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 47, 52, 76, 94, 104, 109, 152, 188, 208, 218, 247, 304, 376, 436, 494, 611, 752, 872, 893, 988, 1222, 1417, 1744, 1786, 1976, 2071, 2444, 2834, 3572, 3952, 4142, 4888, 5123, 5668, 7144, 8284, 9776, 10246, 11336, 11609, 14288, 16568, 20492, 22672, 23218, 26923, 33136, 40984, 46436, 53846, 66599, 81968, 92872, 97337, 107692, 133198, 185744, 194674, 215384, 266396, 389348, 430768, 532792, 778696, 1065584, 1265381, 1557392, 2530762, 5061524, 10123048, 20246096]

約数ペア:

[(1, 20246096), (2, 10123048), (4, 5061524), (8, 2530762), (13, 1557392), (16, 1265381), (19, 1065584), (26, 778696), (38, 532792), (47, 430768), (52, 389348), (76, 266396), (94, 215384), (104, 194674), (109, 185744), (152, 133198), (188, 107692), (208, 97337), (218, 92872), (247, 81968), (304, 66599), (376, 53846), (436, 46436), (494, 40984), (611, 33136), (752, 26923), (872, 23218), (893, 22672), (988, 20492), (1222, 16568), (1417, 14288), (1744, 11609), (1786, 11336), (1976, 10246), (2071, 9776), (2444, 8284), (2834, 7144), (3572, 5668), (3952, 5123), (4142, 4888)]