20401755

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2027}}^1$

素因数の和:2107

約数の個数: 32

約数和(自身を含む): 36211968

約数和(自身を除く): 15810213

約数列:

[1, 3, 5, 11, 15, 33, 55, 61, 165, 183, 305, 671, 915, 2013, 2027, 3355, 6081, 10065, 10135, 22297, 30405, 66891, 111485, 123647, 334455, 370941, 618235, 1360117, 1854705, 4080351, 6800585, 20401755]

約数ペア:

[(1, 20401755), (3, 6800585), (5, 4080351), (11, 1854705), (15, 1360117), (33, 618235), (55, 370941), (61, 334455), (165, 123647), (183, 111485), (305, 66891), (671, 30405), (915, 22297), (2013, 10135), (2027, 10065), (3355, 6081)]