20178847612

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{10501}}^1$

素因数の和:10907

約数の個数: 96

約数和(自身を含む): 46747846656

約数和(自身を除く): 26568999044

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 154, 187, 238, 308, 367, 374, 476, 734, 748, 1309, 1468, 2569, 2618, 4037, 5138, 5236, 6239, 8074, 10276, 10501, 12478, 16148, 21002, 24956, 28259, 42004, 43673, 56518, 68629, 73507, 87346, 113036, 115511, 137258, 147014, 174692, 178517, 231022, 274516, 294028, 357034, 462044, 480403, 714068, 808577, 960806, 1249619, 1617154, 1921612, 1963687, 2499238, 3234308, 3853867, 3927374, 4998476, 7707734, 7854748, 13745809, 15415468, 26977069, 27491618, 42392537, 53954138, 54983236, 65515739, 84785074, 107908276, 131031478, 169570148, 262062956, 296747759, 458610173, 593495518, 720673129, 917220346, 1186991036, 1441346258, 1834440692, 2882692516, 5044711903, 10089423806, 20178847612]

約数ペア:

[(1, 20178847612), (2, 10089423806), (4, 5044711903), (7, 2882692516), (11, 1834440692), (14, 1441346258), (17, 1186991036), (22, 917220346), (28, 720673129), (34, 593495518), (44, 458610173), (68, 296747759), (77, 262062956), (119, 169570148), (154, 131031478), (187, 107908276), (238, 84785074), (308, 65515739), (367, 54983236), (374, 53954138), (476, 42392537), (734, 27491618), (748, 26977069), (1309, 15415468), (1468, 13745809), (2569, 7854748), (2618, 7707734), (4037, 4998476), (5138, 3927374), (5236, 3853867), (6239, 3234308), (8074, 2499238), (10276, 1963687), (10501, 1921612), (12478, 1617154), (16148, 1249619), (21002, 960806), (24956, 808577), (28259, 714068), (42004, 480403), (43673, 462044), (56518, 357034), (68629, 294028), (73507, 274516), (87346, 231022), (113036, 178517), (115511, 174692), (137258, 147014)]