20938554

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4261}}^1$

素因数の和:4292

約数の個数: 64

約数和(自身を含む): 57281280

約数和(自身を除く): 36342726

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 234, 273, 351, 378, 546, 702, 819, 1638, 2457, 4261, 4914, 8522, 12783, 25566, 29827, 38349, 55393, 59654, 76698, 89481, 110786, 115047, 166179, 178962, 230094, 268443, 332358, 387751, 498537, 536886, 775502, 805329, 997074, 1163253, 1495611, 1610658, 2326506, 2991222, 3489759, 6979518, 10469277, 20938554]

約数ペア:

[(1, 20938554), (2, 10469277), (3, 6979518), (6, 3489759), (7, 2991222), (9, 2326506), (13, 1610658), (14, 1495611), (18, 1163253), (21, 997074), (26, 805329), (27, 775502), (39, 536886), (42, 498537), (54, 387751), (63, 332358), (78, 268443), (91, 230094), (117, 178962), (126, 166179), (182, 115047), (189, 110786), (234, 89481), (273, 76698), (351, 59654), (378, 55393), (546, 38349), (702, 29827), (819, 25566), (1638, 12783), (2457, 8522), (4261, 4914)]