20726172

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{4463}}^1$

素因数の和:4519

約数の個数: 48

約数和(自身を含む): 54996480

約数和(自身を除く): 34270308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 108, 129, 172, 258, 387, 516, 774, 1161, 1548, 2322, 4463, 4644, 8926, 13389, 17852, 26778, 40167, 53556, 80334, 120501, 160668, 191909, 241002, 383818, 482004, 575727, 767636, 1151454, 1727181, 2302908, 3454362, 5181543, 6908724, 10363086, 20726172]

約数ペア:

[(1, 20726172), (2, 10363086), (3, 6908724), (4, 5181543), (6, 3454362), (9, 2302908), (12, 1727181), (18, 1151454), (27, 767636), (36, 575727), (43, 482004), (54, 383818), (86, 241002), (108, 191909), (129, 160668), (172, 120501), (258, 80334), (387, 53556), (516, 40167), (774, 26778), (1161, 17852), (1548, 13389), (2322, 8926), (4463, 4644)]