20165979204

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{128449}}^1$

素因数の和:128562

約数の個数: 108

約数和(自身を含む): 59964313500

約数和(自身を除く): 39798334296

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 89, 98, 126, 147, 178, 196, 252, 267, 294, 356, 441, 534, 588, 623, 801, 882, 1068, 1246, 1602, 1764, 1869, 2492, 3204, 3738, 4361, 5607, 7476, 8722, 11214, 13083, 17444, 22428, 26166, 39249, 52332, 78498, 128449, 156996, 256898, 385347, 513796, 770694, 899143, 1156041, 1541388, 1798286, 2312082, 2697429, 3596572, 4624164, 5394858, 6294001, 8092287, 10789716, 11431961, 12588002, 16184574, 18882003, 22863922, 25176004, 32369148, 34295883, 37764006, 45727844, 56646009, 68591766, 75528012, 80023727, 102887649, 113292018, 137183532, 160047454, 205775298, 226584036, 240071181, 320094908, 411550596, 480142362, 560166089, 720213543, 960284724, 1120332178, 1440427086, 1680498267, 2240664356, 2880854172, 3360996534, 5041494801, 6721993068, 10082989602, 20165979204]

約数ペア:

[(1, 20165979204), (2, 10082989602), (3, 6721993068), (4, 5041494801), (6, 3360996534), (7, 2880854172), (9, 2240664356), (12, 1680498267), (14, 1440427086), (18, 1120332178), (21, 960284724), (28, 720213543), (36, 560166089), (42, 480142362), (49, 411550596), (63, 320094908), (84, 240071181), (89, 226584036), (98, 205775298), (126, 160047454), (147, 137183532), (178, 113292018), (196, 102887649), (252, 80023727), (267, 75528012), (294, 68591766), (356, 56646009), (441, 45727844), (534, 37764006), (588, 34295883), (623, 32369148), (801, 25176004), (882, 22863922), (1068, 18882003), (1246, 16184574), (1602, 12588002), (1764, 11431961), (1869, 10789716), (2492, 8092287), (3204, 6294001), (3738, 5394858), (4361, 4624164), (5607, 3596572), (7476, 2697429), (8722, 2312082), (11214, 1798286), (13083, 1541388), (17444, 1156041), (22428, 899143), (26166, 770694), (39249, 513796), (52332, 385347), (78498, 256898), (128449, 156996)]