20791330980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{361337}}^1$

素因数の和:361493

約数の個数: 96

約数和(自身を含む): 67018081536

約数和(自身を除く): 46226750556

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 137, 140, 210, 274, 411, 420, 548, 685, 822, 959, 1370, 1644, 1918, 2055, 2740, 2877, 3836, 4110, 4795, 5754, 8220, 9590, 11508, 14385, 19180, 28770, 57540, 361337, 722674, 1084011, 1445348, 1806685, 2168022, 2529359, 3613370, 4336044, 5058718, 5420055, 7226740, 7588077, 10117436, 10840110, 12646795, 15176154, 21680220, 25293590, 30352308, 37940385, 49503169, 50587180, 75880770, 99006338, 148509507, 151761540, 198012676, 247515845, 297019014, 346522183, 495031690, 594038028, 693044366, 742547535, 990063380, 1039566549, 1386088732, 1485095070, 1732610915, 2079133098, 2970190140, 3465221830, 4158266196, 5197832745, 6930443660, 10395665490, 20791330980]

約数ペア:

[(1, 20791330980), (2, 10395665490), (3, 6930443660), (4, 5197832745), (5, 4158266196), (6, 3465221830), (7, 2970190140), (10, 2079133098), (12, 1732610915), (14, 1485095070), (15, 1386088732), (20, 1039566549), (21, 990063380), (28, 742547535), (30, 693044366), (35, 594038028), (42, 495031690), (60, 346522183), (70, 297019014), (84, 247515845), (105, 198012676), (137, 151761540), (140, 148509507), (210, 99006338), (274, 75880770), (411, 50587180), (420, 49503169), (548, 37940385), (685, 30352308), (822, 25293590), (959, 21680220), (1370, 15176154), (1644, 12646795), (1918, 10840110), (2055, 10117436), (2740, 7588077), (2877, 7226740), (3836, 5420055), (4110, 5058718), (4795, 4336044), (5754, 3613370), (8220, 2529359), (9590, 2168022), (11508, 1806685), (14385, 1445348), (19180, 1084011), (28770, 722674), (57540, 361337)]