20977968

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{593}}^1$

素因数の和:682

約数の個数: 80

約数和(自身を含む): 60103296

約数和(自身を除く): 39125328

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 67, 88, 132, 134, 176, 201, 264, 268, 402, 528, 536, 593, 737, 804, 1072, 1186, 1474, 1608, 1779, 2211, 2372, 2948, 3216, 3558, 4422, 4744, 5896, 6523, 7116, 8844, 9488, 11792, 13046, 14232, 17688, 19569, 26092, 28464, 35376, 39138, 39731, 52184, 78276, 79462, 104368, 119193, 156552, 158924, 238386, 313104, 317848, 437041, 476772, 635696, 874082, 953544, 1311123, 1748164, 1907088, 2622246, 3496328, 5244492, 6992656, 10488984, 20977968]

約数ペア:

[(1, 20977968), (2, 10488984), (3, 6992656), (4, 5244492), (6, 3496328), (8, 2622246), (11, 1907088), (12, 1748164), (16, 1311123), (22, 953544), (24, 874082), (33, 635696), (44, 476772), (48, 437041), (66, 317848), (67, 313104), (88, 238386), (132, 158924), (134, 156552), (176, 119193), (201, 104368), (264, 79462), (268, 78276), (402, 52184), (528, 39731), (536, 39138), (593, 35376), (737, 28464), (804, 26092), (1072, 19569), (1186, 17688), (1474, 14232), (1608, 13046), (1779, 11792), (2211, 9488), (2372, 8844), (2948, 7116), (3216, 6523), (3558, 5896), (4422, 4744)]