20709306

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:543

約数の個数: 48

約数和(自身を含む): 47010600

約数和(自身を除く): 26301294

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 97, 174, 194, 261, 291, 409, 522, 582, 818, 873, 1227, 1746, 2454, 2813, 3681, 5626, 7362, 8439, 11861, 16878, 23722, 25317, 35583, 39673, 50634, 71166, 79346, 106749, 119019, 213498, 238038, 357057, 714114, 1150517, 2301034, 3451551, 6903102, 10354653, 20709306]

約数ペア:

[(1, 20709306), (2, 10354653), (3, 6903102), (6, 3451551), (9, 2301034), (18, 1150517), (29, 714114), (58, 357057), (87, 238038), (97, 213498), (174, 119019), (194, 106749), (261, 79346), (291, 71166), (409, 50634), (522, 39673), (582, 35583), (818, 25317), (873, 23722), (1227, 16878), (1746, 11861), (2454, 8439), (2813, 7362), (3681, 5626)]