20693880

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{2129}}^1$

素因数の和:2155

約数の個数: 96

約数和(自身を含む): 69778800

約数和(自身を除く): 49084920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2129, 2430, 3240, 4258, 4860, 6387, 8516, 9720, 10645, 12774, 17032, 19161, 21290, 25548, 31935, 38322, 42580, 51096, 57483, 63870, 76644, 85160, 95805, 114966, 127740, 153288, 172449, 191610, 229932, 255480, 287415, 344898, 383220, 459864, 517347, 574830, 689796, 766440, 862245, 1034694, 1149660, 1379592, 1724490, 2069388, 2299320, 2586735, 3448980, 4138776, 5173470, 6897960, 10346940, 20693880]

約数ペア:

[(1, 20693880), (2, 10346940), (3, 6897960), (4, 5173470), (5, 4138776), (6, 3448980), (8, 2586735), (9, 2299320), (10, 2069388), (12, 1724490), (15, 1379592), (18, 1149660), (20, 1034694), (24, 862245), (27, 766440), (30, 689796), (36, 574830), (40, 517347), (45, 459864), (54, 383220), (60, 344898), (72, 287415), (81, 255480), (90, 229932), (108, 191610), (120, 172449), (135, 153288), (162, 127740), (180, 114966), (216, 95805), (243, 85160), (270, 76644), (324, 63870), (360, 57483), (405, 51096), (486, 42580), (540, 38322), (648, 31935), (810, 25548), (972, 21290), (1080, 19161), (1215, 17032), (1620, 12774), (1944, 10645), (2129, 9720), (2430, 8516), (3240, 6387), (4258, 4860)]