20123956476

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{42701}}^1$

素因数の和:42796

約数の個数: 144

約数和(自身を含む): 58754535840

約数和(自身を除く): 38630579364

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 53, 57, 76, 78, 106, 114, 117, 156, 159, 171, 212, 228, 234, 247, 318, 342, 468, 477, 494, 636, 684, 689, 741, 954, 988, 1007, 1378, 1482, 1908, 2014, 2067, 2223, 2756, 2964, 3021, 4028, 4134, 4446, 6042, 6201, 8268, 8892, 9063, 12084, 12402, 13091, 18126, 24804, 26182, 36252, 39273, 42701, 52364, 78546, 85402, 117819, 128103, 157092, 170804, 235638, 256206, 384309, 471276, 512412, 555113, 768618, 811319, 1110226, 1537236, 1622638, 1665339, 2220452, 2263153, 2433957, 3245276, 3330678, 4526306, 4867914, 4996017, 6661356, 6789459, 7301871, 9052612, 9735828, 9992034, 10547147, 13578918, 14603742, 19984068, 20368377, 21094294, 27157836, 29207484, 29420989, 31641441, 40736754, 42188588, 42999907, 58841978, 63282882, 81473508, 85999814, 88262967, 94924323, 117683956, 126565764, 128999721, 171999628, 176525934, 189848646, 257999442, 264788901, 353051868, 379697292, 386999163, 515998884, 529577802, 558998791, 773998326, 1059155604, 1117997582, 1547996652, 1676996373, 2235995164, 3353992746, 5030989119, 6707985492, 10061978238, 20123956476]

約数ペア:

[(1, 20123956476), (2, 10061978238), (3, 6707985492), (4, 5030989119), (6, 3353992746), (9, 2235995164), (12, 1676996373), (13, 1547996652), (18, 1117997582), (19, 1059155604), (26, 773998326), (36, 558998791), (38, 529577802), (39, 515998884), (52, 386999163), (53, 379697292), (57, 353051868), (76, 264788901), (78, 257999442), (106, 189848646), (114, 176525934), (117, 171999628), (156, 128999721), (159, 126565764), (171, 117683956), (212, 94924323), (228, 88262967), (234, 85999814), (247, 81473508), (318, 63282882), (342, 58841978), (468, 42999907), (477, 42188588), (494, 40736754), (636, 31641441), (684, 29420989), (689, 29207484), (741, 27157836), (954, 21094294), (988, 20368377), (1007, 19984068), (1378, 14603742), (1482, 13578918), (1908, 10547147), (2014, 9992034), (2067, 9735828), (2223, 9052612), (2756, 7301871), (2964, 6789459), (3021, 6661356), (4028, 4996017), (4134, 4867914), (4446, 4526306), (6042, 3330678), (6201, 3245276), (8268, 2433957), (8892, 2263153), (9063, 2220452), (12084, 1665339), (12402, 1622638), (13091, 1537236), (18126, 1110226), (24804, 811319), (26182, 768618), (36252, 555113), (39273, 512412), (42701, 471276), (52364, 384309), (78546, 256206), (85402, 235638), (117819, 170804), (128103, 157092)]