20187270831

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{4349}}^1$

素因数の和:4733

約数の個数: 64

約数和(自身を含む): 33909120000

約数和(自身を除く): 13721849169

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 347, 637, 1029, 1041, 1911, 2429, 4349, 4459, 4511, 7287, 13047, 13377, 13533, 17003, 30443, 31577, 51009, 56537, 91329, 94731, 119021, 169611, 213101, 221039, 357063, 395759, 639303, 663117, 1187277, 1491707, 1509103, 1547273, 2770313, 4475121, 4527309, 4641819, 8310939, 10563721, 19392191, 19618339, 31691163, 58176573, 58855017, 73946047, 137328373, 221838141, 411985119, 517622329, 961298611, 1552866987, 2883895833, 6729090277, 20187270831]

約数ペア:

[(1, 20187270831), (3, 6729090277), (7, 2883895833), (13, 1552866987), (21, 961298611), (39, 517622329), (49, 411985119), (91, 221838141), (147, 137328373), (273, 73946047), (343, 58855017), (347, 58176573), (637, 31691163), (1029, 19618339), (1041, 19392191), (1911, 10563721), (2429, 8310939), (4349, 4641819), (4459, 4527309), (4511, 4475121), (7287, 2770313), (13047, 1547273), (13377, 1509103), (13533, 1491707), (17003, 1187277), (30443, 663117), (31577, 639303), (51009, 395759), (56537, 357063), (91329, 221039), (94731, 213101), (119021, 169611)]