20748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:46

約数の個数: 48

約数和(自身を含む): 62720

約数和(自身を除く): 41972

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 38, 39, 42, 52, 57, 76, 78, 84, 91, 114, 133, 156, 182, 228, 247, 266, 273, 364, 399, 494, 532, 546, 741, 798, 988, 1092, 1482, 1596, 1729, 2964, 3458, 5187, 6916, 10374, 20748]

約数ペア:

[(1, 20748), (2, 10374), (3, 6916), (4, 5187), (6, 3458), (7, 2964), (12, 1729), (13, 1596), (14, 1482), (19, 1092), (21, 988), (26, 798), (28, 741), (38, 546), (39, 532), (42, 494), (52, 399), (57, 364), (76, 273), (78, 266), (84, 247), (91, 228), (114, 182), (133, 156)]