20722592

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3463}}^1$

素因数の和:3501

約数の個数: 48

約数和(自身を含む): 47138112

約数和(自身を除く): 26415520

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 136, 176, 187, 272, 352, 374, 544, 748, 1496, 2992, 3463, 5984, 6926, 13852, 27704, 38093, 55408, 58871, 76186, 110816, 117742, 152372, 235484, 304744, 470968, 609488, 647581, 941936, 1218976, 1295162, 1883872, 2590324, 5180648, 10361296, 20722592]

約数ペア:

[(1, 20722592), (2, 10361296), (4, 5180648), (8, 2590324), (11, 1883872), (16, 1295162), (17, 1218976), (22, 941936), (32, 647581), (34, 609488), (44, 470968), (68, 304744), (88, 235484), (136, 152372), (176, 117742), (187, 110816), (272, 76186), (352, 58871), (374, 55408), (544, 38093), (748, 27704), (1496, 13852), (2992, 6926), (3463, 5984)]