20499786

素因数分解:

$2^1\times 3^2\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:363

約数の個数: 48

約数和(自身を含む): 45864000

約数和(自身を除く): 25364214

約数列:

[1, 2, 3, 6, 9, 18, 59, 97, 118, 177, 194, 199, 291, 354, 398, 531, 582, 597, 873, 1062, 1194, 1746, 1791, 3582, 5723, 11446, 11741, 17169, 19303, 23482, 34338, 35223, 38606, 51507, 57909, 70446, 103014, 105669, 115818, 173727, 211338, 347454, 1138877, 2277754, 3416631, 6833262, 10249893, 20499786]

約数ペア:

[(1, 20499786), (2, 10249893), (3, 6833262), (6, 3416631), (9, 2277754), (18, 1138877), (59, 347454), (97, 211338), (118, 173727), (177, 115818), (194, 105669), (199, 103014), (291, 70446), (354, 57909), (398, 51507), (531, 38606), (582, 35223), (597, 34338), (873, 23482), (1062, 19303), (1194, 17169), (1746, 11741), (1791, 11446), (3582, 5723)]