20587242

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:367

約数の個数: 48

約数和(自身を含む): 45325440

約数和(自身を除く): 24738198

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 79, 158, 169, 237, 257, 338, 474, 507, 514, 771, 1014, 1027, 1542, 2054, 3081, 3341, 6162, 6682, 10023, 13351, 20046, 20303, 26702, 40053, 40606, 43433, 60909, 80106, 86866, 121818, 130299, 260598, 263939, 527878, 791817, 1583634, 3431207, 6862414, 10293621, 20587242]

約数ペア:

[(1, 20587242), (2, 10293621), (3, 6862414), (6, 3431207), (13, 1583634), (26, 791817), (39, 527878), (78, 263939), (79, 260598), (158, 130299), (169, 121818), (237, 86866), (257, 80106), (338, 60909), (474, 43433), (507, 40606), (514, 40053), (771, 26702), (1014, 20303), (1027, 20046), (1542, 13351), (2054, 10023), (3081, 6682), (3341, 6162)]