20021475166

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{70619}}^1$

素因数の和:70909

約数の個数: 48

約数和(自身を含む): 38256831360

約数和(自身を除く): 18235356194

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 263, 526, 539, 1078, 1841, 2893, 3682, 5786, 12887, 20251, 25774, 40502, 70619, 141238, 141757, 283514, 494333, 776809, 988666, 1553618, 3460331, 5437663, 6920662, 10875326, 18572797, 37145594, 38063641, 76127282, 130009579, 204300767, 260019158, 408601534, 910067053, 1430105369, 1820134106, 2860210738, 10010737583, 20021475166]

約数ペア:

[(1, 20021475166), (2, 10010737583), (7, 2860210738), (11, 1820134106), (14, 1430105369), (22, 910067053), (49, 408601534), (77, 260019158), (98, 204300767), (154, 130009579), (263, 76127282), (526, 38063641), (539, 37145594), (1078, 18572797), (1841, 10875326), (2893, 6920662), (3682, 5437663), (5786, 3460331), (12887, 1553618), (20251, 988666), (25774, 776809), (40502, 494333), (70619, 283514), (141238, 141757)]