20198984949

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{63541}}^1$

素因数の和:63603

約数の個数: 72

約数和(自身を含む): 36279940320

約数和(自身を除く): 16080955371

約数列:

[1, 3, 9, 11, 13, 19, 33, 39, 57, 99, 117, 143, 169, 171, 209, 247, 429, 507, 627, 741, 1287, 1521, 1859, 1881, 2223, 2717, 3211, 5577, 8151, 9633, 16731, 24453, 28899, 35321, 63541, 105963, 190623, 317889, 571869, 698951, 826033, 1207279, 2096853, 2478099, 3621837, 6290559, 7434297, 9086363, 10738429, 10865511, 13280069, 15694627, 27259089, 32215287, 39840207, 47083881, 81777267, 96645861, 118122719, 119520621, 141251643, 172640897, 204030151, 354368157, 517922691, 612090453, 1063104471, 1553768073, 1836271359, 2244331661, 6732994983, 20198984949]

約数ペア:

[(1, 20198984949), (3, 6732994983), (9, 2244331661), (11, 1836271359), (13, 1553768073), (19, 1063104471), (33, 612090453), (39, 517922691), (57, 354368157), (99, 204030151), (117, 172640897), (143, 141251643), (169, 119520621), (171, 118122719), (209, 96645861), (247, 81777267), (429, 47083881), (507, 39840207), (627, 32215287), (741, 27259089), (1287, 15694627), (1521, 13280069), (1859, 10865511), (1881, 10738429), (2223, 9086363), (2717, 7434297), (3211, 6290559), (5577, 3621837), (8151, 2478099), (9633, 2096853), (16731, 1207279), (24453, 826033), (28899, 698951), (35321, 571869), (63541, 317889), (105963, 190623)]