20163032883

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{6703}}^1$

素因数の和:7101

約数の個数: 72

約数和(自身を含む): 35767180800

約数和(自身を除く): 15604147917

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 359, 399, 441, 931, 1077, 1197, 2513, 2793, 3231, 6703, 6821, 7539, 8379, 17591, 20109, 20463, 22617, 46921, 47747, 52773, 60327, 61389, 127357, 140763, 143241, 158319, 328447, 334229, 382071, 422289, 429723, 891499, 985341, 1002687, 1146213, 2406377, 2674497, 2956023, 3008061, 6240493, 7219131, 8023491, 16844639, 18721479, 21657393, 45721163, 50533917, 56164437, 117912473, 137163489, 151601751, 320048141, 353737419, 411490467, 960144423, 1061212257, 2240336987, 2880433269, 6721010961, 20163032883]

約数ペア:

[(1, 20163032883), (3, 6721010961), (7, 2880433269), (9, 2240336987), (19, 1061212257), (21, 960144423), (49, 411490467), (57, 353737419), (63, 320048141), (133, 151601751), (147, 137163489), (171, 117912473), (359, 56164437), (399, 50533917), (441, 45721163), (931, 21657393), (1077, 18721479), (1197, 16844639), (2513, 8023491), (2793, 7219131), (3231, 6240493), (6703, 3008061), (6821, 2956023), (7539, 2674497), (8379, 2406377), (17591, 1146213), (20109, 1002687), (20463, 985341), (22617, 891499), (46921, 429723), (47747, 422289), (52773, 382071), (60327, 334229), (61389, 328447), (127357, 158319), (140763, 143241)]