20178631788

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1013}}^1\times {\mathrm{1783}}^1$

素因数の和:2836

約数の個数: 144

約数和(自身を含む): 57742513920

約数和(自身を除く): 37563882132

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 76, 84, 98, 114, 133, 147, 196, 228, 266, 294, 399, 532, 588, 798, 931, 1013, 1596, 1783, 1862, 2026, 2793, 3039, 3566, 3724, 4052, 5349, 5586, 6078, 7091, 7132, 10698, 11172, 12156, 12481, 14182, 19247, 21273, 21396, 24962, 28364, 33877, 37443, 38494, 42546, 49637, 49924, 57741, 67754, 74886, 76988, 85092, 87367, 99274, 101631, 115482, 134729, 135508, 148911, 149772, 174734, 198548, 203262, 230964, 237139, 262101, 269458, 297822, 349468, 404187, 406524, 474278, 524202, 538916, 595644, 711417, 808374, 943103, 948556, 1048404, 1422834, 1616748, 1659973, 1806179, 1886206, 2829309, 2845668, 3319946, 3612358, 3772412, 4979919, 5418537, 5658618, 6639892, 7224716, 9959838, 10837074, 11317236, 12643253, 19919676, 21674148, 25286506, 34317401, 37929759, 50573012, 68634802, 75859518, 88502771, 102952203, 137269604, 151719036, 177005542, 205904406, 240221807, 265508313, 354011084, 411808812, 480443614, 531016626, 720665421, 960887228, 1062033252, 1441330842, 1681552649, 2882661684, 3363105298, 5044657947, 6726210596, 10089315894, 20178631788]

約数ペア:

[(1, 20178631788), (2, 10089315894), (3, 6726210596), (4, 5044657947), (6, 3363105298), (7, 2882661684), (12, 1681552649), (14, 1441330842), (19, 1062033252), (21, 960887228), (28, 720665421), (38, 531016626), (42, 480443614), (49, 411808812), (57, 354011084), (76, 265508313), (84, 240221807), (98, 205904406), (114, 177005542), (133, 151719036), (147, 137269604), (196, 102952203), (228, 88502771), (266, 75859518), (294, 68634802), (399, 50573012), (532, 37929759), (588, 34317401), (798, 25286506), (931, 21674148), (1013, 19919676), (1596, 12643253), (1783, 11317236), (1862, 10837074), (2026, 9959838), (2793, 7224716), (3039, 6639892), (3566, 5658618), (3724, 5418537), (4052, 4979919), (5349, 3772412), (5586, 3612358), (6078, 3319946), (7091, 2845668), (7132, 2829309), (10698, 1886206), (11172, 1806179), (12156, 1659973), (12481, 1616748), (14182, 1422834), (19247, 1048404), (21273, 948556), (21396, 943103), (24962, 808374), (28364, 711417), (33877, 595644), (37443, 538916), (38494, 524202), (42546, 474278), (49637, 406524), (49924, 404187), (57741, 349468), (67754, 297822), (74886, 269458), (76988, 262101), (85092, 237139), (87367, 230964), (99274, 203262), (101631, 198548), (115482, 174734), (134729, 149772), (135508, 148911)]