20499184

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1117}}^1$

素因数の和:1193

約数の個数: 40

約数和(自身を含む): 42144128

約数和(自身を除く): 21644944

約数列:

[1, 2, 4, 8, 16, 31, 37, 62, 74, 124, 148, 248, 296, 496, 592, 1117, 1147, 2234, 2294, 4468, 4588, 8936, 9176, 17872, 18352, 34627, 41329, 69254, 82658, 138508, 165316, 277016, 330632, 554032, 661264, 1281199, 2562398, 5124796, 10249592, 20499184]

約数ペア:

[(1, 20499184), (2, 10249592), (4, 5124796), (8, 2562398), (16, 1281199), (31, 661264), (37, 554032), (62, 330632), (74, 277016), (124, 165316), (148, 138508), (248, 82658), (296, 69254), (496, 41329), (592, 34627), (1117, 18352), (1147, 17872), (2234, 9176), (2294, 8936), (4468, 4588)]