20968290

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{401}}^1$

素因数の和:504

約数の個数: 96

約数和(自身を含む): 63213696

約数和(自身を除く): 42245406

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 83, 90, 105, 126, 166, 210, 249, 315, 401, 415, 498, 581, 630, 747, 802, 830, 1162, 1203, 1245, 1494, 1743, 2005, 2406, 2490, 2807, 2905, 3486, 3609, 3735, 4010, 5229, 5614, 5810, 6015, 7218, 7470, 8421, 8715, 10458, 12030, 14035, 16842, 17430, 18045, 25263, 26145, 28070, 33283, 36090, 42105, 50526, 52290, 66566, 84210, 99849, 126315, 166415, 199698, 232981, 252630, 299547, 332830, 465962, 499245, 599094, 698943, 998490, 1164905, 1397886, 1497735, 2096829, 2329810, 2995470, 3494715, 4193658, 6989430, 10484145, 20968290]

約数ペア:

[(1, 20968290), (2, 10484145), (3, 6989430), (5, 4193658), (6, 3494715), (7, 2995470), (9, 2329810), (10, 2096829), (14, 1497735), (15, 1397886), (18, 1164905), (21, 998490), (30, 698943), (35, 599094), (42, 499245), (45, 465962), (63, 332830), (70, 299547), (83, 252630), (90, 232981), (105, 199698), (126, 166415), (166, 126315), (210, 99849), (249, 84210), (315, 66566), (401, 52290), (415, 50526), (498, 42105), (581, 36090), (630, 33283), (747, 28070), (802, 26145), (830, 25263), (1162, 18045), (1203, 17430), (1245, 16842), (1494, 14035), (1743, 12030), (2005, 10458), (2406, 8715), (2490, 8421), (2807, 7470), (2905, 7218), (3486, 6015), (3609, 5810), (3735, 5614), (4010, 5229)]