20188966480

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:581

約数の個数: 160

約数和(自身を含む): 48596889600

約数和(自身を除く): 28407923120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 89, 127, 166, 178, 254, 269, 332, 356, 415, 445, 508, 538, 635, 664, 712, 830, 890, 1016, 1076, 1270, 1328, 1345, 1424, 1660, 1780, 2032, 2152, 2540, 2690, 3320, 3560, 4304, 5080, 5380, 6640, 7120, 7387, 10160, 10541, 10760, 11303, 14774, 21082, 21520, 22327, 22606, 23941, 29548, 34163, 36935, 42164, 44654, 45212, 47882, 52705, 56515, 59096, 68326, 73870, 84328, 89308, 90424, 95764, 105410, 111635, 113030, 118192, 119705, 136652, 147740, 168656, 170815, 178616, 180848, 191528, 210820, 223270, 226060, 239410, 273304, 295480, 341630, 357232, 383056, 421640, 446540, 452120, 478820, 546608, 590960, 683260, 843280, 893080, 904240, 938149, 957640, 1366520, 1786160, 1876298, 1915280, 1987103, 2733040, 2835529, 3040507, 3752596, 3974206, 4690745, 5671058, 6081014, 7505192, 7948412, 9381490, 9935515, 11342116, 12162028, 14177645, 15010384, 15202535, 15896824, 18762980, 19871030, 22684232, 24324056, 28355290, 30405070, 31793648, 37525960, 39742060, 45368464, 48648112, 56710580, 60810140, 75051920, 79484120, 113421160, 121620280, 158968240, 226842320, 243240560, 252362081, 504724162, 1009448324, 1261810405, 2018896648, 2523620810, 4037793296, 5047241620, 10094483240, 20188966480]

約数ペア:

[(1, 20188966480), (2, 10094483240), (4, 5047241620), (5, 4037793296), (8, 2523620810), (10, 2018896648), (16, 1261810405), (20, 1009448324), (40, 504724162), (80, 252362081), (83, 243240560), (89, 226842320), (127, 158968240), (166, 121620280), (178, 113421160), (254, 79484120), (269, 75051920), (332, 60810140), (356, 56710580), (415, 48648112), (445, 45368464), (508, 39742060), (538, 37525960), (635, 31793648), (664, 30405070), (712, 28355290), (830, 24324056), (890, 22684232), (1016, 19871030), (1076, 18762980), (1270, 15896824), (1328, 15202535), (1345, 15010384), (1424, 14177645), (1660, 12162028), (1780, 11342116), (2032, 9935515), (2152, 9381490), (2540, 7948412), (2690, 7505192), (3320, 6081014), (3560, 5671058), (4304, 4690745), (5080, 3974206), (5380, 3752596), (6640, 3040507), (7120, 2835529), (7387, 2733040), (10160, 1987103), (10541, 1915280), (10760, 1876298), (11303, 1786160), (14774, 1366520), (21082, 957640), (21520, 938149), (22327, 904240), (22606, 893080), (23941, 843280), (29548, 683260), (34163, 590960), (36935, 546608), (42164, 478820), (44654, 452120), (45212, 446540), (47882, 421640), (52705, 383056), (56515, 357232), (59096, 341630), (68326, 295480), (73870, 273304), (84328, 239410), (89308, 226060), (90424, 223270), (95764, 210820), (105410, 191528), (111635, 180848), (113030, 178616), (118192, 170815), (119705, 168656), (136652, 147740)]