20787096616

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{176413}}^1$

素因数の和:176546

約数の個数: 64

約数和(自身を含む): 46234581120

約数和(自身を除く): 25447484504

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 103, 104, 143, 206, 286, 412, 572, 824, 1133, 1144, 1339, 2266, 2678, 4532, 5356, 9064, 10712, 14729, 29458, 58916, 117832, 176413, 352826, 705652, 1411304, 1940543, 2293369, 3881086, 4586738, 7762172, 9173476, 15524344, 18170539, 18346952, 25227059, 36341078, 50454118, 72682156, 100908236, 145364312, 199875929, 201816472, 236217007, 399751858, 472434014, 799503716, 944868028, 1599007432, 1889736056, 2598387077, 5196774154, 10393548308, 20787096616]

約数ペア:

[(1, 20787096616), (2, 10393548308), (4, 5196774154), (8, 2598387077), (11, 1889736056), (13, 1599007432), (22, 944868028), (26, 799503716), (44, 472434014), (52, 399751858), (88, 236217007), (103, 201816472), (104, 199875929), (143, 145364312), (206, 100908236), (286, 72682156), (412, 50454118), (572, 36341078), (824, 25227059), (1133, 18346952), (1144, 18170539), (1339, 15524344), (2266, 9173476), (2678, 7762172), (4532, 4586738), (5356, 3881086), (9064, 2293369), (10712, 1940543), (14729, 1411304), (29458, 705652), (58916, 352826), (117832, 176413)]