20359638

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{521}}^1$

素因数の和:709

約数の個数: 48

約数和(自身を含む): 47882016

約数和(自身を除く): 27522378

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 167, 234, 334, 501, 521, 1002, 1042, 1503, 1563, 2171, 3006, 3126, 4342, 4689, 6513, 6773, 9378, 13026, 13546, 19539, 20319, 39078, 40638, 60957, 87007, 121914, 174014, 261021, 522042, 783063, 1131091, 1566126, 2262182, 3393273, 6786546, 10179819, 20359638]

約数ペア:

[(1, 20359638), (2, 10179819), (3, 6786546), (6, 3393273), (9, 2262182), (13, 1566126), (18, 1131091), (26, 783063), (39, 522042), (78, 261021), (117, 174014), (167, 121914), (234, 87007), (334, 60957), (501, 40638), (521, 39078), (1002, 20319), (1042, 19539), (1503, 13546), (1563, 13026), (2171, 9378), (3006, 6773), (3126, 6513), (4342, 4689)]