20985536

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2293}}^1$

素因数の和:2329

約数の個数: 56

約数和(自身を含む): 48944784

約数和(自身を除く): 27959248

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 143, 176, 208, 286, 352, 416, 572, 704, 832, 1144, 2288, 2293, 4576, 4586, 9152, 9172, 18344, 25223, 29809, 36688, 50446, 59618, 73376, 100892, 119236, 146752, 201784, 238472, 327899, 403568, 476944, 655798, 807136, 953888, 1311596, 1614272, 1907776, 2623192, 5246384, 10492768, 20985536]

約数ペア:

[(1, 20985536), (2, 10492768), (4, 5246384), (8, 2623192), (11, 1907776), (13, 1614272), (16, 1311596), (22, 953888), (26, 807136), (32, 655798), (44, 476944), (52, 403568), (64, 327899), (88, 238472), (104, 201784), (143, 146752), (176, 119236), (208, 100892), (286, 73376), (352, 59618), (416, 50446), (572, 36688), (704, 29809), (832, 25223), (1144, 18344), (2288, 9172), (2293, 9152), (4576, 4586)]