20180833461

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1\times {\mathrm{2383}}^1$

素因数の和:2946

約数の個数: 48

約数和(自身を含む): 30659765760

約数和(自身を除く): 10478932299

約数列:

[1, 3, 9, 29, 71, 87, 213, 261, 457, 639, 1371, 2059, 2383, 4113, 6177, 7149, 13253, 18531, 21447, 32447, 39759, 69107, 97341, 119277, 169193, 207321, 292023, 507579, 621963, 940963, 1089031, 1522737, 2822889, 3267093, 4906597, 8468667, 9801279, 14719791, 31581899, 44159373, 77321201, 94745697, 231963603, 284237091, 695890809, 2242314829, 6726944487, 20180833461]

約数ペア:

[(1, 20180833461), (3, 6726944487), (9, 2242314829), (29, 695890809), (71, 284237091), (87, 231963603), (213, 94745697), (261, 77321201), (457, 44159373), (639, 31581899), (1371, 14719791), (2059, 9801279), (2383, 8468667), (4113, 4906597), (6177, 3267093), (7149, 2822889), (13253, 1522737), (18531, 1089031), (21447, 940963), (32447, 621963), (39759, 507579), (69107, 292023), (97341, 207321), (119277, 169193)]