20403820605

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{6263}}^1$

素因数の和:6391

約数の個数: 128

約数和(自身を含む): 41564897280

約数和(自身を除く): 21161076675

約数列:

[1, 3, 5, 7, 15, 19, 21, 23, 35, 57, 69, 71, 95, 105, 115, 133, 161, 213, 285, 345, 355, 399, 437, 483, 497, 665, 805, 1065, 1311, 1349, 1491, 1633, 1995, 2185, 2415, 2485, 3059, 4047, 4899, 6263, 6555, 6745, 7455, 8165, 9177, 9443, 11431, 15295, 18789, 20235, 24495, 28329, 31027, 31315, 34293, 43841, 45885, 47215, 57155, 93081, 93945, 118997, 131523, 141645, 144049, 155135, 171465, 217189, 219205, 356991, 432147, 444673, 465405, 594985, 651567, 657615, 720245, 832979, 1008343, 1085945, 1334019, 1784955, 2160735, 2223365, 2498937, 2736931, 3025029, 3112711, 3257835, 4164895, 5041715, 6670095, 8210793, 8448787, 9338133, 10227479, 12494685, 13684655, 15125145, 15563555, 19158517, 25346361, 30682437, 41053965, 42243935, 46690665, 51137395, 57475551, 59141509, 71592353, 95792585, 126731805, 153412185, 177424527, 194322101, 214777059, 287377755, 295707545, 357961765, 582966303, 887122635, 971610505, 1073885295, 1360254707, 2914831515, 4080764121, 6801273535, 20403820605]

約数ペア:

[(1, 20403820605), (3, 6801273535), (5, 4080764121), (7, 2914831515), (15, 1360254707), (19, 1073885295), (21, 971610505), (23, 887122635), (35, 582966303), (57, 357961765), (69, 295707545), (71, 287377755), (95, 214777059), (105, 194322101), (115, 177424527), (133, 153412185), (161, 126731805), (213, 95792585), (285, 71592353), (345, 59141509), (355, 57475551), (399, 51137395), (437, 46690665), (483, 42243935), (497, 41053965), (665, 30682437), (805, 25346361), (1065, 19158517), (1311, 15563555), (1349, 15125145), (1491, 13684655), (1633, 12494685), (1995, 10227479), (2185, 9338133), (2415, 8448787), (2485, 8210793), (3059, 6670095), (4047, 5041715), (4899, 4164895), (6263, 3257835), (6555, 3112711), (6745, 3025029), (7455, 2736931), (8165, 2498937), (9177, 2223365), (9443, 2160735), (11431, 1784955), (15295, 1334019), (18789, 1085945), (20235, 1008343), (24495, 832979), (28329, 720245), (31027, 657615), (31315, 651567), (34293, 594985), (43841, 465405), (45885, 444673), (47215, 432147), (57155, 356991), (93081, 219205), (93945, 217189), (118997, 171465), (131523, 155135), (141645, 144049)]