20562570

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:404

約数の個数: 96

約数和(自身を含む): 61820928

約数和(自身を除く): 41258358

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 127, 210, 254, 257, 315, 381, 514, 630, 635, 762, 771, 889, 1143, 1270, 1285, 1542, 1778, 1799, 1905, 2286, 2313, 2570, 2667, 3598, 3810, 3855, 4445, 4626, 5334, 5397, 5715, 7710, 8001, 8890, 8995, 10794, 11430, 11565, 13335, 16002, 16191, 17990, 23130, 26670, 26985, 32382, 32639, 40005, 53970, 65278, 80010, 80955, 97917, 161910, 163195, 195834, 228473, 293751, 326390, 456946, 489585, 587502, 685419, 979170, 1142365, 1370838, 1468755, 2056257, 2284730, 2937510, 3427095, 4112514, 6854190, 10281285, 20562570]

約数ペア:

[(1, 20562570), (2, 10281285), (3, 6854190), (5, 4112514), (6, 3427095), (7, 2937510), (9, 2284730), (10, 2056257), (14, 1468755), (15, 1370838), (18, 1142365), (21, 979170), (30, 685419), (35, 587502), (42, 489585), (45, 456946), (63, 326390), (70, 293751), (90, 228473), (105, 195834), (126, 163195), (127, 161910), (210, 97917), (254, 80955), (257, 80010), (315, 65278), (381, 53970), (514, 40005), (630, 32639), (635, 32382), (762, 26985), (771, 26670), (889, 23130), (1143, 17990), (1270, 16191), (1285, 16002), (1542, 13335), (1778, 11565), (1799, 11430), (1905, 10794), (2286, 8995), (2313, 8890), (2570, 8001), (2667, 7710), (3598, 5715), (3810, 5397), (3855, 5334), (4445, 4626)]