20132762780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{479}}^1\times {\mathrm{1163}}^1$

素因数の和:1803

約数の個数: 96

約数和(自身を含む): 45993830400

約数和(自身を除く): 25861067620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 479, 556, 695, 958, 1163, 1390, 1807, 1916, 2326, 2395, 2780, 3614, 4652, 4790, 5815, 6227, 7228, 9035, 9580, 11630, 12454, 15119, 18070, 23260, 24908, 30238, 31135, 36140, 60476, 62270, 66581, 75595, 124540, 133162, 151190, 161657, 266324, 302380, 323314, 332905, 557077, 646628, 665810, 808285, 865553, 1114154, 1331620, 1616570, 1731106, 2101541, 2228308, 2785385, 3233140, 3462212, 4203082, 4327765, 5570770, 7242001, 8406164, 8655530, 10507705, 11141540, 14484002, 17311060, 21015410, 28968004, 36210005, 42030820, 72420010, 77433703, 144840020, 154867406, 309734812, 387168515, 774337030, 1006638139, 1548674060, 2013276278, 4026552556, 5033190695, 10066381390, 20132762780]

約数ペア:

[(1, 20132762780), (2, 10066381390), (4, 5033190695), (5, 4026552556), (10, 2013276278), (13, 1548674060), (20, 1006638139), (26, 774337030), (52, 387168515), (65, 309734812), (130, 154867406), (139, 144840020), (260, 77433703), (278, 72420010), (479, 42030820), (556, 36210005), (695, 28968004), (958, 21015410), (1163, 17311060), (1390, 14484002), (1807, 11141540), (1916, 10507705), (2326, 8655530), (2395, 8406164), (2780, 7242001), (3614, 5570770), (4652, 4327765), (4790, 4203082), (5815, 3462212), (6227, 3233140), (7228, 2785385), (9035, 2228308), (9580, 2101541), (11630, 1731106), (12454, 1616570), (15119, 1331620), (18070, 1114154), (23260, 865553), (24908, 808285), (30238, 665810), (31135, 646628), (36140, 557077), (60476, 332905), (62270, 323314), (66581, 302380), (75595, 266324), (124540, 161657), (133162, 151190)]