20384760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15443}}^1$

素因数の和:15468

約数の個数: 64

約数和(自身を含む): 66718080

約数和(自身を除く): 46333320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 15443, 30886, 46329, 61772, 77215, 92658, 123544, 154430, 169873, 185316, 231645, 308860, 339746, 370632, 463290, 509619, 617720, 679492, 849365, 926580, 1019238, 1358984, 1698730, 1853160, 2038476, 2548095, 3397460, 4076952, 5096190, 6794920, 10192380, 20384760]

約数ペア:

[(1, 20384760), (2, 10192380), (3, 6794920), (4, 5096190), (5, 4076952), (6, 3397460), (8, 2548095), (10, 2038476), (11, 1853160), (12, 1698730), (15, 1358984), (20, 1019238), (22, 926580), (24, 849365), (30, 679492), (33, 617720), (40, 509619), (44, 463290), (55, 370632), (60, 339746), (66, 308860), (88, 231645), (110, 185316), (120, 169873), (132, 154430), (165, 123544), (220, 92658), (264, 77215), (330, 61772), (440, 46329), (660, 30886), (1320, 15443)]