20288322

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:495

約数の個数: 48

約数和(自身を含む): 45946368

約数和(自身を除く): 25658046

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 103, 186, 206, 279, 309, 353, 558, 618, 706, 927, 1059, 1854, 2118, 3177, 3193, 6354, 6386, 9579, 10943, 19158, 21886, 28737, 32829, 36359, 57474, 65658, 72718, 98487, 109077, 196974, 218154, 327231, 654462, 1127129, 2254258, 3381387, 6762774, 10144161, 20288322]

約数ペア:

[(1, 20288322), (2, 10144161), (3, 6762774), (6, 3381387), (9, 2254258), (18, 1127129), (31, 654462), (62, 327231), (93, 218154), (103, 196974), (186, 109077), (206, 98487), (279, 72718), (309, 65658), (353, 57474), (558, 36359), (618, 32829), (706, 28737), (927, 21886), (1059, 19158), (1854, 10943), (2118, 9579), (3177, 6386), (3193, 6354)]