20090939492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{683}}^1\times {\mathrm{1567}}^1$

素因数の和:2305

約数の個数: 72

約数和(自身を含む): 40045453056

約数和(自身を除く): 19954513564

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 361, 494, 683, 722, 988, 1366, 1444, 1567, 2732, 3134, 4693, 6268, 8879, 9386, 12977, 17758, 18772, 20371, 25954, 29773, 35516, 40742, 51908, 59546, 81484, 119092, 168701, 246563, 337402, 387049, 493126, 565687, 674804, 774098, 986252, 1070261, 1131374, 1548196, 2140522, 2262748, 3205319, 4281044, 6410638, 7353931, 12821276, 13913393, 14707862, 20334959, 27826786, 29415724, 40669918, 55653572, 81339836, 264354467, 386364221, 528708934, 772728442, 1057417868, 1545456884, 5022734873, 10045469746, 20090939492]

約数ペア:

[(1, 20090939492), (2, 10045469746), (4, 5022734873), (13, 1545456884), (19, 1057417868), (26, 772728442), (38, 528708934), (52, 386364221), (76, 264354467), (247, 81339836), (361, 55653572), (494, 40669918), (683, 29415724), (722, 27826786), (988, 20334959), (1366, 14707862), (1444, 13913393), (1567, 12821276), (2732, 7353931), (3134, 6410638), (4693, 4281044), (6268, 3205319), (8879, 2262748), (9386, 2140522), (12977, 1548196), (17758, 1131374), (18772, 1070261), (20371, 986252), (25954, 774098), (29773, 674804), (35516, 565687), (40742, 493126), (51908, 387049), (59546, 337402), (81484, 246563), (119092, 168701)]