20507802

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{829}}^1$

素因数の和:891

約数の個数: 64

約数和(自身を含む): 50995200

約数和(自身を除く): 30487398

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 31, 38, 42, 57, 62, 93, 114, 133, 186, 217, 266, 399, 434, 589, 651, 798, 829, 1178, 1302, 1658, 1767, 2487, 3534, 4123, 4974, 5803, 8246, 11606, 12369, 15751, 17409, 24738, 25699, 31502, 34818, 47253, 51398, 77097, 94506, 110257, 154194, 179893, 220514, 330771, 359786, 488281, 539679, 661542, 976562, 1079358, 1464843, 2929686, 3417967, 6835934, 10253901, 20507802]

約数ペア:

[(1, 20507802), (2, 10253901), (3, 6835934), (6, 3417967), (7, 2929686), (14, 1464843), (19, 1079358), (21, 976562), (31, 661542), (38, 539679), (42, 488281), (57, 359786), (62, 330771), (93, 220514), (114, 179893), (133, 154194), (186, 110257), (217, 94506), (266, 77097), (399, 51398), (434, 47253), (589, 34818), (651, 31502), (798, 25699), (829, 24738), (1178, 17409), (1302, 15751), (1658, 12369), (1767, 11606), (2487, 8246), (3534, 5803), (4123, 4974)]