20215392678

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2107087}}^1$

素因数の和:2107149

約数の個数: 48

約数和(自身を含む): 48319742016

約数和(自身を除く): 28104349338

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 41, 78, 82, 117, 123, 234, 246, 369, 533, 738, 1066, 1599, 3198, 4797, 9594, 2107087, 4214174, 6321261, 12642522, 18963783, 27392131, 37927566, 54784262, 82176393, 86390567, 164352786, 172781134, 246529179, 259171701, 493058358, 518343402, 777515103, 1123077371, 1555030206, 2246154742, 3369232113, 6738464226, 10107696339, 20215392678]

約数ペア:

[(1, 20215392678), (2, 10107696339), (3, 6738464226), (6, 3369232113), (9, 2246154742), (13, 1555030206), (18, 1123077371), (26, 777515103), (39, 518343402), (41, 493058358), (78, 259171701), (82, 246529179), (117, 172781134), (123, 164352786), (234, 86390567), (246, 82176393), (369, 54784262), (533, 37927566), (738, 27392131), (1066, 18963783), (1599, 12642522), (3198, 6321261), (4797, 4214174), (9594, 2107087)]