20122073895

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1\times {\mathrm{983}}^1$

素因数の和:1525

約数の個数: 128

約数和(自身を含む): 41352560640

約数和(自身を除く): 21230486745

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 37, 55, 77, 105, 111, 165, 185, 231, 259, 385, 407, 479, 555, 777, 983, 1155, 1221, 1295, 1437, 2035, 2395, 2849, 2949, 3353, 3885, 4915, 5269, 6105, 6881, 7185, 8547, 10059, 10813, 14245, 14745, 15807, 16765, 17723, 20643, 26345, 32439, 34405, 36371, 36883, 42735, 50295, 53169, 54065, 75691, 79035, 88615, 103215, 109113, 110649, 124061, 162195, 181855, 184415, 194953, 227073, 254597, 265845, 372183, 378455, 400081, 470857, 545565, 553245, 584859, 620305, 763791, 974765, 1135365, 1200243, 1272985, 1364671, 1412571, 1860915, 2000405, 2354285, 2800567, 2924295, 3295999, 3818955, 4094013, 5179427, 6001215, 6823355, 7062855, 8401701, 9887997, 14002835, 15538281, 16479995, 17421709, 20470065, 25897135, 36255989, 42008505, 49439985, 52265127, 77691405, 87108545, 108767967, 121951963, 181279945, 191638799, 261325635, 365855889, 543839835, 574916397, 609759815, 958193995, 1341471593, 1829279445, 2874581985, 4024414779, 6707357965, 20122073895]

約数ペア:

[(1, 20122073895), (3, 6707357965), (5, 4024414779), (7, 2874581985), (11, 1829279445), (15, 1341471593), (21, 958193995), (33, 609759815), (35, 574916397), (37, 543839835), (55, 365855889), (77, 261325635), (105, 191638799), (111, 181279945), (165, 121951963), (185, 108767967), (231, 87108545), (259, 77691405), (385, 52265127), (407, 49439985), (479, 42008505), (555, 36255989), (777, 25897135), (983, 20470065), (1155, 17421709), (1221, 16479995), (1295, 15538281), (1437, 14002835), (2035, 9887997), (2395, 8401701), (2849, 7062855), (2949, 6823355), (3353, 6001215), (3885, 5179427), (4915, 4094013), (5269, 3818955), (6105, 3295999), (6881, 2924295), (7185, 2800567), (8547, 2354285), (10059, 2000405), (10813, 1860915), (14245, 1412571), (14745, 1364671), (15807, 1272985), (16765, 1200243), (17723, 1135365), (20643, 974765), (26345, 763791), (32439, 620305), (34405, 584859), (36371, 553245), (36883, 545565), (42735, 470857), (50295, 400081), (53169, 378455), (54065, 372183), (75691, 265845), (79035, 254597), (88615, 227073), (103215, 194953), (109113, 184415), (110649, 181855), (124061, 162195)]