20006464660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{255641}}^1$

素因数の和:255713

約数の個数: 96

約数和(自身を含む): 52911758592

約数和(自身を除く): 32905293932

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 43, 52, 65, 70, 86, 91, 130, 140, 172, 182, 215, 260, 301, 364, 430, 455, 559, 602, 860, 910, 1118, 1204, 1505, 1820, 2236, 2795, 3010, 3913, 5590, 6020, 7826, 11180, 15652, 19565, 39130, 78260, 255641, 511282, 1022564, 1278205, 1789487, 2556410, 3323333, 3578974, 5112820, 6646666, 7157948, 8947435, 10992563, 13293332, 16616665, 17894870, 21985126, 23263331, 33233330, 35789740, 43970252, 46526662, 54962815, 66466660, 76947941, 93053324, 109925630, 116316655, 142903319, 153895882, 219851260, 232633310, 285806638, 307791764, 384739705, 465266620, 571613276, 714516595, 769479410, 1000323233, 1429033190, 1538958820, 2000646466, 2858066380, 4001292932, 5001616165, 10003232330, 20006464660]

約数ペア:

[(1, 20006464660), (2, 10003232330), (4, 5001616165), (5, 4001292932), (7, 2858066380), (10, 2000646466), (13, 1538958820), (14, 1429033190), (20, 1000323233), (26, 769479410), (28, 714516595), (35, 571613276), (43, 465266620), (52, 384739705), (65, 307791764), (70, 285806638), (86, 232633310), (91, 219851260), (130, 153895882), (140, 142903319), (172, 116316655), (182, 109925630), (215, 93053324), (260, 76947941), (301, 66466660), (364, 54962815), (430, 46526662), (455, 43970252), (559, 35789740), (602, 33233330), (860, 23263331), (910, 21985126), (1118, 17894870), (1204, 16616665), (1505, 13293332), (1820, 10992563), (2236, 8947435), (2795, 7157948), (3010, 6646666), (3913, 5112820), (5590, 3578974), (6020, 3323333), (7826, 2556410), (11180, 1789487), (15652, 1278205), (19565, 1022564), (39130, 511282), (78260, 255641)]