20930135512

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{257}}^2\times {\mathrm{277}}^1$

素因数の和:821

約数の個数: 96

約数和(自身を含む): 46452031920

約数和(自身を除く): 25521896408

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 257, 277, 286, 514, 554, 572, 1028, 1108, 1144, 2056, 2216, 2827, 3047, 3341, 3601, 5654, 6094, 6682, 7202, 11308, 12188, 13364, 14404, 22616, 24376, 26728, 28808, 36751, 39611, 66049, 71189, 73502, 79222, 132098, 142378, 147004, 158444, 264196, 284756, 294008, 316888, 528392, 569512, 726539, 783079, 858637, 925457, 1453078, 1566158, 1717274, 1850914, 2906156, 3132316, 3434548, 3701828, 5812312, 6264632, 6869096, 7403656, 9445007, 10180027, 18295573, 18890014, 20360054, 36591146, 37780028, 40720108, 73182292, 75560056, 81440216, 146364584, 201251303, 237842449, 402502606, 475684898, 805005212, 951369796, 1610010424, 1902739592, 2616266939, 5232533878, 10465067756, 20930135512]

約数ペア:

[(1, 20930135512), (2, 10465067756), (4, 5232533878), (8, 2616266939), (11, 1902739592), (13, 1610010424), (22, 951369796), (26, 805005212), (44, 475684898), (52, 402502606), (88, 237842449), (104, 201251303), (143, 146364584), (257, 81440216), (277, 75560056), (286, 73182292), (514, 40720108), (554, 37780028), (572, 36591146), (1028, 20360054), (1108, 18890014), (1144, 18295573), (2056, 10180027), (2216, 9445007), (2827, 7403656), (3047, 6869096), (3341, 6264632), (3601, 5812312), (5654, 3701828), (6094, 3434548), (6682, 3132316), (7202, 2906156), (11308, 1850914), (12188, 1717274), (13364, 1566158), (14404, 1453078), (22616, 925457), (24376, 858637), (26728, 783079), (28808, 726539), (36751, 569512), (39611, 528392), (66049, 316888), (71189, 294008), (73502, 284756), (79222, 264196), (132098, 158444), (142378, 147004)]