20765598

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:473

約数の個数: 64

約数和(自身を含む): 50319360

約数和(自身を除く): 29553762

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 41, 42, 62, 82, 93, 123, 186, 217, 246, 287, 389, 434, 574, 651, 778, 861, 1167, 1271, 1302, 1722, 2334, 2542, 2723, 3813, 5446, 7626, 8169, 8897, 12059, 15949, 16338, 17794, 24118, 26691, 31898, 36177, 47847, 53382, 72354, 84413, 95694, 111643, 168826, 223286, 253239, 334929, 494419, 506478, 669858, 988838, 1483257, 2966514, 3460933, 6921866, 10382799, 20765598]

約数ペア:

[(1, 20765598), (2, 10382799), (3, 6921866), (6, 3460933), (7, 2966514), (14, 1483257), (21, 988838), (31, 669858), (41, 506478), (42, 494419), (62, 334929), (82, 253239), (93, 223286), (123, 168826), (186, 111643), (217, 95694), (246, 84413), (287, 72354), (389, 53382), (434, 47847), (574, 36177), (651, 31898), (778, 26691), (861, 24118), (1167, 17794), (1271, 16338), (1302, 15949), (1722, 12059), (2334, 8897), (2542, 8169), (2723, 7626), (3813, 5446)]