20454819732

素因数分解:

$2^2\times 3^3\times {\mathrm{157}}^1\times {\mathrm{1206347}}^1$

素因数の和:1206517

約数の個数: 48

約数和(自身を含む): 53368835520

約数和(自身を除く): 32914015788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 157, 314, 471, 628, 942, 1413, 1884, 2826, 4239, 5652, 8478, 16956, 1206347, 2412694, 3619041, 4825388, 7238082, 10857123, 14476164, 21714246, 32571369, 43428492, 65142738, 130285476, 189396479, 378792958, 568189437, 757585916, 1136378874, 1704568311, 2272757748, 3409136622, 5113704933, 6818273244, 10227409866, 20454819732]

約数ペア:

[(1, 20454819732), (2, 10227409866), (3, 6818273244), (4, 5113704933), (6, 3409136622), (9, 2272757748), (12, 1704568311), (18, 1136378874), (27, 757585916), (36, 568189437), (54, 378792958), (108, 189396479), (157, 130285476), (314, 65142738), (471, 43428492), (628, 32571369), (942, 21714246), (1413, 14476164), (1884, 10857123), (2826, 7238082), (4239, 4825388), (5652, 3619041), (8478, 2412694), (16956, 1206347)]