20423550

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1$

素因数の和:442

約数の個数: 96

約数和(自身を含む): 59139072

約数和(自身を除く): 38715522

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 53, 70, 75, 105, 106, 150, 159, 175, 210, 265, 318, 350, 367, 371, 525, 530, 734, 742, 795, 1050, 1101, 1113, 1325, 1590, 1835, 1855, 2202, 2226, 2569, 2650, 3670, 3710, 3975, 5138, 5505, 5565, 7707, 7950, 9175, 9275, 11010, 11130, 12845, 15414, 18350, 18550, 19451, 25690, 27525, 27825, 38535, 38902, 55050, 55650, 58353, 64225, 77070, 97255, 116706, 128450, 136157, 192675, 194510, 272314, 291765, 385350, 408471, 486275, 583530, 680785, 816942, 972550, 1361570, 1458825, 2042355, 2917650, 3403925, 4084710, 6807850, 10211775, 20423550]

約数ペア:

[(1, 20423550), (2, 10211775), (3, 6807850), (5, 4084710), (6, 3403925), (7, 2917650), (10, 2042355), (14, 1458825), (15, 1361570), (21, 972550), (25, 816942), (30, 680785), (35, 583530), (42, 486275), (50, 408471), (53, 385350), (70, 291765), (75, 272314), (105, 194510), (106, 192675), (150, 136157), (159, 128450), (175, 116706), (210, 97255), (265, 77070), (318, 64225), (350, 58353), (367, 55650), (371, 55050), (525, 38902), (530, 38535), (734, 27825), (742, 27525), (795, 25690), (1050, 19451), (1101, 18550), (1113, 18350), (1325, 15414), (1590, 12845), (1835, 11130), (1855, 11010), (2202, 9275), (2226, 9175), (2569, 7950), (2650, 7707), (3670, 5565), (3710, 5505), (3975, 5138)]