20597748

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1481}}^1$

素因数の和:1568

約数の個数: 48

約数和(自身を含む): 51455040

約数和(自身を除く): 30857292

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 61, 76, 114, 122, 183, 228, 244, 366, 732, 1159, 1481, 2318, 2962, 3477, 4443, 4636, 5924, 6954, 8886, 13908, 17772, 28139, 56278, 84417, 90341, 112556, 168834, 180682, 271023, 337668, 361364, 542046, 1084092, 1716479, 3432958, 5149437, 6865916, 10298874, 20597748]

約数ペア:

[(1, 20597748), (2, 10298874), (3, 6865916), (4, 5149437), (6, 3432958), (12, 1716479), (19, 1084092), (38, 542046), (57, 361364), (61, 337668), (76, 271023), (114, 180682), (122, 168834), (183, 112556), (228, 90341), (244, 84417), (366, 56278), (732, 28139), (1159, 17772), (1481, 13908), (2318, 8886), (2962, 6954), (3477, 5924), (4443, 4636)]