20472858

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1321}}^1$

素因数の和:1380

約数の個数: 64

約数和(自身を含む): 53303040

約数和(自身を除く): 32830182

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 41, 42, 54, 63, 82, 123, 126, 189, 246, 287, 369, 378, 574, 738, 861, 1107, 1321, 1722, 2214, 2583, 2642, 3963, 5166, 7749, 7926, 9247, 11889, 15498, 18494, 23778, 27741, 35667, 54161, 55482, 71334, 83223, 108322, 162483, 166446, 249669, 324966, 379127, 487449, 499338, 758254, 974898, 1137381, 1462347, 2274762, 2924694, 3412143, 6824286, 10236429, 20472858]

約数ペア:

[(1, 20472858), (2, 10236429), (3, 6824286), (6, 3412143), (7, 2924694), (9, 2274762), (14, 1462347), (18, 1137381), (21, 974898), (27, 758254), (41, 499338), (42, 487449), (54, 379127), (63, 324966), (82, 249669), (123, 166446), (126, 162483), (189, 108322), (246, 83223), (287, 71334), (369, 55482), (378, 54161), (574, 35667), (738, 27741), (861, 23778), (1107, 18494), (1321, 15498), (1722, 11889), (2214, 9247), (2583, 7926), (2642, 7749), (3963, 5166)]