20142071320

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{661}}^1\times {\mathrm{2221}}^1$

素因数の和:2914

約数の個数: 128

約数和(自身を含む): 52954704000

約数和(自身を除く): 32812632680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 661, 686, 980, 1322, 1372, 1715, 1960, 2221, 2644, 2744, 3305, 3430, 4442, 4627, 5288, 6610, 6860, 8884, 9254, 11105, 13220, 13720, 15547, 17768, 18508, 22210, 23135, 26440, 31094, 32389, 37016, 44420, 46270, 62188, 64778, 77735, 88840, 92540, 108829, 124376, 129556, 155470, 161945, 185080, 217658, 226723, 259112, 310940, 323890, 435316, 453446, 544145, 621880, 647780, 761803, 870632, 906892, 1088290, 1133615, 1295560, 1468081, 1523606, 1813784, 2176580, 2267230, 2936162, 3047212, 3809015, 4353160, 4534460, 5872324, 6094424, 7340405, 7618030, 9068920, 10276567, 11744648, 14680810, 15236060, 20553134, 29361620, 30472120, 41106268, 51382835, 58723240, 71935969, 82212536, 102765670, 143871938, 205531340, 287743876, 359679845, 411062680, 503551783, 575487752, 719359690, 1007103566, 1438719380, 2014207132, 2517758915, 2877438760, 4028414264, 5035517830, 10071035660, 20142071320]

約数ペア:

[(1, 20142071320), (2, 10071035660), (4, 5035517830), (5, 4028414264), (7, 2877438760), (8, 2517758915), (10, 2014207132), (14, 1438719380), (20, 1007103566), (28, 719359690), (35, 575487752), (40, 503551783), (49, 411062680), (56, 359679845), (70, 287743876), (98, 205531340), (140, 143871938), (196, 102765670), (245, 82212536), (280, 71935969), (343, 58723240), (392, 51382835), (490, 41106268), (661, 30472120), (686, 29361620), (980, 20553134), (1322, 15236060), (1372, 14680810), (1715, 11744648), (1960, 10276567), (2221, 9068920), (2644, 7618030), (2744, 7340405), (3305, 6094424), (3430, 5872324), (4442, 4534460), (4627, 4353160), (5288, 3809015), (6610, 3047212), (6860, 2936162), (8884, 2267230), (9254, 2176580), (11105, 1813784), (13220, 1523606), (13720, 1468081), (15547, 1295560), (17768, 1133615), (18508, 1088290), (22210, 906892), (23135, 870632), (26440, 761803), (31094, 647780), (32389, 621880), (37016, 544145), (44420, 453446), (46270, 435316), (62188, 323890), (64778, 310940), (77735, 259112), (88840, 226723), (92540, 217658), (108829, 185080), (124376, 161945), (129556, 155470)]