20570388

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1087}}^1$

素因数の和:1196

約数の個数: 48

約数和(自身を含む): 51179520

約数和(自身を除く): 30609132

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 83, 114, 166, 228, 249, 332, 498, 996, 1087, 1577, 2174, 3154, 3261, 4348, 4731, 6308, 6522, 9462, 13044, 18924, 20653, 41306, 61959, 82612, 90221, 123918, 180442, 247836, 270663, 360884, 541326, 1082652, 1714199, 3428398, 5142597, 6856796, 10285194, 20570388]

約数ペア:

[(1, 20570388), (2, 10285194), (3, 6856796), (4, 5142597), (6, 3428398), (12, 1714199), (19, 1082652), (38, 541326), (57, 360884), (76, 270663), (83, 247836), (114, 180442), (166, 123918), (228, 90221), (249, 82612), (332, 61959), (498, 41306), (996, 20653), (1087, 18924), (1577, 13044), (2174, 9462), (3154, 6522), (3261, 6308), (4348, 4731)]