20129406045

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{83243}}^1$

素因数の和:83319

約数の個数: 64

約数和(自身を含む): 38358835200

約数和(自身を除く): 18229429155

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 49, 105, 141, 147, 235, 245, 329, 343, 705, 735, 987, 1029, 1645, 1715, 2303, 4935, 5145, 6909, 11515, 16121, 34545, 48363, 80605, 83243, 241815, 249729, 416215, 582701, 1248645, 1748103, 2913505, 3912421, 4078907, 8740515, 11737263, 12236721, 19562105, 20394535, 27386947, 28552349, 58686315, 61183605, 82160841, 85657047, 136934735, 142761745, 191708629, 410804205, 428285235, 575125887, 958543145, 1341960403, 2875629435, 4025881209, 6709802015, 20129406045]

約数ペア:

[(1, 20129406045), (3, 6709802015), (5, 4025881209), (7, 2875629435), (15, 1341960403), (21, 958543145), (35, 575125887), (47, 428285235), (49, 410804205), (105, 191708629), (141, 142761745), (147, 136934735), (235, 85657047), (245, 82160841), (329, 61183605), (343, 58686315), (705, 28552349), (735, 27386947), (987, 20394535), (1029, 19562105), (1645, 12236721), (1715, 11737263), (2303, 8740515), (4935, 4078907), (5145, 3912421), (6909, 2913505), (11515, 1748103), (16121, 1248645), (34545, 582701), (48363, 416215), (80605, 249729), (83243, 241815)]