20619242567

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:317

約数の個数: 128

約数和(自身を含む): 29142220800

約数和(自身を除く): 8522978233

約数列:

[1, 7, 11, 19, 31, 43, 77, 97, 109, 133, 209, 217, 301, 341, 473, 589, 679, 763, 817, 1067, 1199, 1333, 1463, 1843, 2071, 2387, 3007, 3311, 3379, 4123, 4171, 4687, 5719, 6479, 7469, 8393, 8987, 9331, 10573, 12901, 14497, 14663, 20273, 21049, 22781, 23653, 25327, 29197, 32809, 33077, 37169, 45353, 45881, 51557, 57133, 62909, 64201, 74011, 79249, 89053, 102641, 116303, 129301, 141911, 145297, 159467, 177289, 200887, 231539, 260183, 278597, 321167, 327763, 360899, 399931, 449407, 454639, 554743, 623371, 628463, 706211, 814121, 871739, 905107, 979583, 1017079, 1406209, 1422311, 1598267, 1950179, 2209757, 2294341, 2456719, 2760643, 3182473, 3605393, 4399241, 4943477, 5001029, 6102173, 6227497, 6857081, 8638141, 9956177, 11187869, 14093809, 15468299, 17197033, 19324501, 25237751, 27023909, 30367073, 35007203, 43592479, 60466987, 68502467, 95019551, 98656663, 155031899, 189167363, 212569511, 267782371, 479517269, 665136857, 1085223293, 1874476597, 2945606081, 20619242567]

約数ペア:

[(1, 20619242567), (7, 2945606081), (11, 1874476597), (19, 1085223293), (31, 665136857), (43, 479517269), (77, 267782371), (97, 212569511), (109, 189167363), (133, 155031899), (209, 98656663), (217, 95019551), (301, 68502467), (341, 60466987), (473, 43592479), (589, 35007203), (679, 30367073), (763, 27023909), (817, 25237751), (1067, 19324501), (1199, 17197033), (1333, 15468299), (1463, 14093809), (1843, 11187869), (2071, 9956177), (2387, 8638141), (3007, 6857081), (3311, 6227497), (3379, 6102173), (4123, 5001029), (4171, 4943477), (4687, 4399241), (5719, 3605393), (6479, 3182473), (7469, 2760643), (8393, 2456719), (8987, 2294341), (9331, 2209757), (10573, 1950179), (12901, 1598267), (14497, 1422311), (14663, 1406209), (20273, 1017079), (21049, 979583), (22781, 905107), (23653, 871739), (25327, 814121), (29197, 706211), (32809, 628463), (33077, 623371), (37169, 554743), (45353, 454639), (45881, 449407), (51557, 399931), (57133, 360899), (62909, 327763), (64201, 321167), (74011, 278597), (79249, 260183), (89053, 231539), (102641, 200887), (116303, 177289), (129301, 159467), (141911, 145297)]