20046537

素因数分解:

$3^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:498

約数の個数: 36

約数和(自身を含む): 34038576

約数和(自身を除く): 13992039

約数列:

[1, 3, 7, 9, 21, 49, 63, 131, 147, 347, 393, 441, 917, 1041, 1179, 2429, 2751, 3123, 6419, 7287, 8253, 17003, 19257, 21861, 45457, 51009, 57771, 136371, 153027, 318199, 409113, 954597, 2227393, 2863791, 6682179, 20046537]

約数ペア:

[(1, 20046537), (3, 6682179), (7, 2863791), (9, 2227393), (21, 954597), (49, 409113), (63, 318199), (131, 153027), (147, 136371), (347, 57771), (393, 51009), (441, 45457), (917, 21861), (1041, 19257), (1179, 17003), (2429, 8253), (2751, 7287), (3123, 6419)]