20160921165

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{653}}^1\times {\mathrm{26731}}^1$

素因数の和:27410

約数の個数: 64

約数和(自身を含む): 40280205312

約数和(自身を除く): 20119284147

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 653, 1155, 1959, 3265, 4571, 7183, 9795, 13713, 21549, 22855, 26731, 35915, 50281, 68565, 80193, 107745, 133655, 150843, 187117, 251405, 294041, 400965, 561351, 754215, 882123, 935585, 1470205, 2058287, 2806755, 4410615, 6174861, 10291435, 17455343, 30874305, 52366029, 87276715, 122187401, 192008773, 261830145, 366562203, 576026319, 610937005, 960043865, 1344061411, 1832811015, 2880131595, 4032184233, 6720307055, 20160921165]

約数ペア:

[(1, 20160921165), (3, 6720307055), (5, 4032184233), (7, 2880131595), (11, 1832811015), (15, 1344061411), (21, 960043865), (33, 610937005), (35, 576026319), (55, 366562203), (77, 261830145), (105, 192008773), (165, 122187401), (231, 87276715), (385, 52366029), (653, 30874305), (1155, 17455343), (1959, 10291435), (3265, 6174861), (4571, 4410615), (7183, 2806755), (9795, 2058287), (13713, 1470205), (21549, 935585), (22855, 882123), (26731, 754215), (35915, 561351), (50281, 400965), (68565, 294041), (80193, 251405), (107745, 187117), (133655, 150843)]