20139944440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1061}}^1\times {\mathrm{6163}}^1$

素因数の和:7253

約数の個数: 128

約数和(自身を含む): 56558891520

約数和(自身を除く): 36418947080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1061, 1540, 2122, 3080, 4244, 5305, 6163, 7427, 8488, 10610, 11671, 12326, 14854, 21220, 23342, 24652, 29708, 30815, 37135, 42440, 43141, 46684, 49304, 58355, 59416, 61630, 67793, 74270, 81697, 86282, 93368, 116710, 123260, 135586, 148540, 163394, 172564, 215705, 233420, 246520, 271172, 297080, 326788, 338965, 345128, 408485, 431410, 466840, 474551, 542344, 653576, 677930, 816970, 862820, 949102, 1355860, 1633940, 1725640, 1898204, 2372755, 2711720, 3267880, 3796408, 4745510, 6538943, 9491020, 13077886, 18982040, 26155772, 32694715, 45772601, 52311544, 65389430, 71928373, 91545202, 130778860, 143856746, 183090404, 228863005, 261557720, 287713492, 359641865, 366180808, 457726010, 503498611, 575426984, 719283730, 915452020, 1006997222, 1438567460, 1830904040, 2013994444, 2517493055, 2877134920, 4027988888, 5034986110, 10069972220, 20139944440]

約数ペア:

[(1, 20139944440), (2, 10069972220), (4, 5034986110), (5, 4027988888), (7, 2877134920), (8, 2517493055), (10, 2013994444), (11, 1830904040), (14, 1438567460), (20, 1006997222), (22, 915452020), (28, 719283730), (35, 575426984), (40, 503498611), (44, 457726010), (55, 366180808), (56, 359641865), (70, 287713492), (77, 261557720), (88, 228863005), (110, 183090404), (140, 143856746), (154, 130778860), (220, 91545202), (280, 71928373), (308, 65389430), (385, 52311544), (440, 45772601), (616, 32694715), (770, 26155772), (1061, 18982040), (1540, 13077886), (2122, 9491020), (3080, 6538943), (4244, 4745510), (5305, 3796408), (6163, 3267880), (7427, 2711720), (8488, 2372755), (10610, 1898204), (11671, 1725640), (12326, 1633940), (14854, 1355860), (21220, 949102), (23342, 862820), (24652, 816970), (29708, 677930), (30815, 653576), (37135, 542344), (42440, 474551), (43141, 466840), (46684, 431410), (49304, 408485), (58355, 345128), (59416, 338965), (61630, 326788), (67793, 297080), (74270, 271172), (81697, 246520), (86282, 233420), (93368, 215705), (116710, 172564), (123260, 163394), (135586, 148540)]