20539134

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:135

約数の個数: 144

約数和(自身を含む): 59220720

約数和(自身を除く): 38681586

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 29, 33, 42, 49, 58, 63, 66, 73, 77, 87, 98, 99, 126, 146, 147, 154, 174, 198, 203, 219, 231, 261, 294, 319, 406, 438, 441, 462, 511, 522, 539, 609, 638, 657, 693, 803, 882, 957, 1022, 1078, 1218, 1314, 1386, 1421, 1533, 1606, 1617, 1827, 1914, 2117, 2233, 2409, 2842, 2871, 3066, 3234, 3577, 3654, 4234, 4263, 4466, 4599, 4818, 4851, 5621, 5742, 6351, 6699, 7154, 7227, 8526, 9198, 9702, 10731, 11242, 12702, 12789, 13398, 14454, 14819, 15631, 16863, 19053, 20097, 21462, 23287, 25578, 29638, 31262, 32193, 33726, 38106, 39347, 40194, 44457, 46574, 46893, 50589, 64386, 69861, 78694, 88914, 93786, 101178, 103733, 118041, 133371, 139722, 140679, 163009, 207466, 209583, 236082, 266742, 281358, 311199, 326018, 354123, 419166, 489027, 622398, 708246, 933597, 978054, 1141063, 1467081, 1867194, 2282126, 2934162, 3423189, 6846378, 10269567, 20539134]

約数ペア:

[(1, 20539134), (2, 10269567), (3, 6846378), (6, 3423189), (7, 2934162), (9, 2282126), (11, 1867194), (14, 1467081), (18, 1141063), (21, 978054), (22, 933597), (29, 708246), (33, 622398), (42, 489027), (49, 419166), (58, 354123), (63, 326018), (66, 311199), (73, 281358), (77, 266742), (87, 236082), (98, 209583), (99, 207466), (126, 163009), (146, 140679), (147, 139722), (154, 133371), (174, 118041), (198, 103733), (203, 101178), (219, 93786), (231, 88914), (261, 78694), (294, 69861), (319, 64386), (406, 50589), (438, 46893), (441, 46574), (462, 44457), (511, 40194), (522, 39347), (539, 38106), (609, 33726), (638, 32193), (657, 31262), (693, 29638), (803, 25578), (882, 23287), (957, 21462), (1022, 20097), (1078, 19053), (1218, 16863), (1314, 15631), (1386, 14819), (1421, 14454), (1533, 13398), (1606, 12789), (1617, 12702), (1827, 11242), (1914, 10731), (2117, 9702), (2233, 9198), (2409, 8526), (2842, 7227), (2871, 7154), (3066, 6699), (3234, 6351), (3577, 5742), (3654, 5621), (4234, 4851), (4263, 4818), (4466, 4599)]